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Valentine's Day Surprise (M Mouse + Vixen Pup)

NOTE: This is the follow-up story to "Good Morning, Daddy!"

Ever since they had sex together for the first time, Allen and Penny felt a lot closer to each other. They felt like they were more than the typical father/daughter pair, they felt as if they were destined to be lovers for life. Over the course of the next two years, Allen continued to show his love and affection for his adopted daughter both in the traditional way, as well as in the physical way, having sex with Penny quite often. Naturally, Penny was more than willing to welcome her father's thick mousehood into her tight young fennec foxhole and happily took whatever he gave to her when they had sex.

Most of the time when Allen came, he shot his load into Penny, sending his warm and very sticky mouse cum into the young vixen's reproductive tract, leaving Penny feeling full and sticky well after he had pulled out. She loved this feeling inside her as she could sense Allen's natural high fertility in her womb from the billions of sperm he injected into her each time she received his load. Allen enjoyed spending his seed inside Penny, wanting to do her the natural way as opposed to having to use special condoms that could handle the massive loads he gave to his vixen daughter.

Fortunately for him, Penny was still too young to breed and it was still safe for Allen to cum in her as much as he wanted without worrying about explaining how Penny was carrying a litter at her age. However, Allen was aware that it was only a matter of time before Penny's growing body reached the point where she would be capable of becoming a mother. As such, Allen paid close attention to how Penny was growing as well as to whatever her doctor would say to him whenever Penny went in for routine check-ups every six months. He wanted to know when it was time for Penny to begin taking yiffberries so that they could continue to have sex like they have been, but not have to worry about breeding her at the same time.

For now though, Penny had not yet reached the age where she was able to ovulate, despite the fact that she was becoming more mature on the outside. In the time that had passed since they first had sex, Penny had grown several inches in height and her breasts had grown a little bit more noticeable. They were still barely more than a handful for Allen to touch whenever he felt the desire, but he knew that Penny's bosom would continue to get bigger. Besides, he seemed a lot more interested in what was between her legs anyway.

While Penny was changing physically, the way Allen and Penny lived their lives at home also changed. Although Penny still had her own bedroom, she spent most of the time sleeping in bed with Allen, especially on nights after they had sex together. In addition, they both slept in the nude as Penny would snuggle in close to her father at night and hold him tightly while licking his chest with her warm fennec fox tongue. Whenever they had someone else in the house with them, they slept in their own beds and didn't behave like this, but the vast majority of the time they were free to sleep how they chose. Furthermore, Allen had stopped going to the Mouse Hole about six months after he started doing it with Penny, knowing that she would be able to take care of all his sexual needs and keep his balls from getting too full.

Their lives continued like this up until a few days before Valentine's Day when Allen got an idea that he thought would make Penny very happy. He knew that Valentine's Day also happened to be Penny's Birthday and that she would be turning 12 this year. Given how much time they had spent together and how often they had sex together, Allen thought it was time to get Penny something very special for her birthday.

He had two ideas planned for Penny, first he went out to a jewelry store and bought his daughter a fancy diamond ring as he told the shop owner he was buying it to "propose to his girlfriend" rather than tell the owner that it was actually his daughter that he was in love with. Secondly, he also planned on having a surgical operation done on him...one that would prevent him from having sex with Penny for two weeks, but would make their sex lives a lot more interesting. He didn't tell Penny what the operation was for, but he did mention the "no sex for two weeks" part to her.

Naturally, Allen and Penny both didn't like the idea of not having sex together for two weeks, but Penny knew she had to obey the orders that Allen was given by the surgeon and tried to make do without. However, Allen didn't ignore Penny during this time. Though his penis was unable to pleasure her, he still had his mouse tail and used that a few times on his daughter just to make her feel better while she waited for what she really wanted. Although Allen's tail didn't produce the thick and warm cum from it which Penny loved, it did tickle her insides quite nicely and gave her a few strong climaxes...though not as enjoyable when she felt her father's cock moving through her. As for Allen, he simply had to follow the surgeon's advice and wait until Penny's Birthday before they had sex again. He couldn't risk injury to himself at this time, even though his balls were becoming full of his seed with each passing day.

Then, Valentine's Day came around as Allen had decided to keep Penny home from school for the day, telling the principal that she was "not feeling well". In reality, Penny was fine and he had done this because he wanted to spend the whole day with his daughter as he had taken a day off of work to celebrate with her. He woke up before Penny at 6 AM while she was still sleeping in bed, running his hand across her side lightly before giving her a kiss. Because Allen had not been able to have sex with Penny, he wore boxers when he was in bed with her to keep what he had done to his reproductive anatomy a secret from Penny. She'd find out for herself in a little while, but not until after breakfast and after she had received her first gift.

In the meantime, he figured that he'd go down to the kitchen and make some breakfast for his daughter while she continued to sleep in bed. Allen brought out the skillet and grabbed some eggs and bacon, making them the way she liked them. In addition, he also popped a couple of pieces of bread into the toaster and got the table ready, placing two cups, a plate, and silverware on it. He knew that Penny would likely wake up to the aroma of the bacon at anytime, but he had hoped that he could have everything ready before she came into the dining room.

The smell of bacon slowly worked its way through the house, reaching the bedroom where Penny was sleeping as it made her nose twitch for a second and her mouth begin to water. "Mmm...bacon", she muttered in a semi-asleep tone, feeling the smell of the cooked bacon continue to float by her nose until her eyes opened and she sat up in the bed. "Daddy must be making breakfast for me", she thought cheerfully to herself, springing from the bed while having nothing more than panties and her training bra on, making her way towards the dining room.

Allen had just finished preparing the eggs and bacon when Penny appeared in the kitchen as she looked at her father with a cheerful look on her face. "Good Morning, Daddy", she told him sweetly with her tail swishing from side-to-side.

He brought the eggs and bacon onto her plate in the dining room and then stopped to kiss Penny on the lips. "Happy Birthday, sweetie", Allen told her softly while Penny blushed and murred lightly to her father's kiss. "Now, be a good girl and go sit in the dining room. Your breakfast is almost ready", Allen added as he went over towards the fridge, pulling out a milk carton and an orange juice carton. Meanwhile, Penny did as her father asked, having a seat at the dining room table as she looked down at the bacon, eggs, and toast in front of her, making her mouth water while looking at it as she waited for her milk and OJ. Allen appeared a moment later, pouring the milk glass full first and then pouring the smaller glass full of orange juice. Once this was done, Penny quickly turned her attention to the food in front of her and started eating.

Allen let Penny have some privacy during breakfast, not sitting at the table with her but staying nearby for when she was finished. In his hand, he had the box that contained the ring for Penny, planning on giving it to her as soon as she was done with breakfast. He was eager to see what her reaction would be when he gave it to her and thought that she'd probably be thrilled to receive it. Allen had also hoped that the ring would put Penny in an amorous mood as well. By now, his balls were quite swollen, nearly as swollen as they were before the first time Penny had relieved his sexual tensions. He wanted to show her what he had done to his penis, thinking that she would enjoy sex with him a lot more once she knew about it. However, he'd let Penny decide when she was ready to do it, he knew she'd tell him soon enough and all he had to do was wait for her to crave his mousehood once again.

About 20 minutes later, Penny had finished with her breakfast as Allen came into the dining room and waited for Penny to come back his way after she placed her dishes in the sink. He kept the ring box behind him, making sure she didn't see it until he was ready to give it to her, holding onto it with his tail. When she came back towards the dining room, Penny saw her father there and Allen presented his daughter with the ring box. "I didn't want to make you wait until after cake and ice cream to give you this", Allen explained softly to Penny as the curious young vixen took the ring box into her hand and looked at it for a second.

It had a gold ribbon around it as Penny seemed to be eager to find out what was inside. She used one of her claws to cut the ribbon and then opened the case, revealing the sparkling diamond ring that made Penny's eyes twinkle. "Oh Daddy...it's beautiful", she commented happily while taking the ring out of the box and placing it on her finger; "...and it fits perfectly", she added a few moments later while still admiring the beauty of the white gold diamond ring before she looked at her father.

"Well, I figured you were getting to that age in your life where you should start having jewelry of your own. Besides, I wanted to get you something that showed you how much I cared about you", Allen told his daughter as she looked right at him, leaped into his arms and instantly kissed him deeply. Her tail swished rapidly from side-to-side while she buried her tongue in his mouth, moaning sweetly into the kiss while her arms held him tight. Allen was completely caught off guard by her sudden reaction and had to reach back for a nearby chair to sit down while Penny was kissing him. However, once he was seated, he joined in, kissing her just as she was doing to him, placing his hand along her back and rubbing it softly.

They remained like this for a few seconds until Penny stopped kissing him and pulled her tongue out of his mouth. "Does this mean that I'm your wife now?", Penny asked in a cheerful tone, making Allen blush and place his hand on the back of his head.

"Well...uh...I don't know. I mean, Daddy loves you a lot, but you're too young for me to actually marry you. Plus, legally speaking, you're still my daughter and I don't think that we could get married, even if you were legal age", Allen explained to Penny as her eyes continued twinkling while she rubbed her nuzzle against his.

"It doesn't matter to me, Daddy. I'll be your wife if you want me to. In fact, I couldn't possibly imagine marrying anyone else but you", Penny replied before kissing her father's cheek and rubbing her nuzzle against his some more. Allen continued to blush to Penny's comments, but at the same time he also felt curious about what it would be like to be married to Penny. He knew she loved him a lot and would make a caring mate and loving mother, but it would be six more years before Penny could legally decide if she wanted to continue to be his legal daughter or to be granted the freedom to marry him and he was sure Penny could not wait that long.

"You can be my wife, Penny...but only when we're inside our home. Remember, we can't let anyone else find out about the relationship we have together", Allen explained to his daughter as Penny murred sweetly and kissed his nose.

"Thank you, Daddy...I love you", she told him sweetly while her tail wagged excitedly. Allen placed a hand on Penny's cheek and softly caressed it while looking into her eyes.

"I love you too, Penny", he answered sweetly before kissing Penny on her lips. Meanwhile, all of the talk about marriage and how he felt about Penny had made his mousehood come out of his sheath. It was beginning to throb inside his pants as well as drip with precum, clearly aroused for some more intimate contact with his 12-year old "wife". He wasn't sure if Penny noticed it yet, but decided to keep his mouth shut about it until she made the first move.

A few moments later, Penny snuggled in closer to her father, wrapping her arms around his body while feeling the bulge pushing up against her panties. "Daddy...now that we're mates, don't you think it's time for us to have our honeymoon?", Penny asked playfully as Allen's erection suddenly grew stronger and his ears opened a bit wider.

"Of course sweetie...where would you like me to take you?', he asked curiously as Penny started to rub back against his bulge a little bit while her panties were beginning to dampen.

"Take me back to our bedroom Daddy. Let's make love to each other just like any new couple would", Penny suggested playfully before licking his nose again. Allen smiled as he stood up, carrying Penny in his arms while his shaft continued to pulsate very strongly underneath his pants.

"OK honey, Daddy will make love to you. Besides, I think it's about time I showed you what your other birthday present is anyway", Allen responded while Penny squealed excitedly, her panties continuing to dampen as her young vixen vagina was becoming very excited. The thought of having his thick mousehood back inside her tight vixen hole made Penny eager for sex.

He brought Penny back to the bedroom, placing her on the bed gently while he got ready to show Penny what he had done to him. Penny didn't feel like wasting any time today and promptly removed her bra and panties, throwing them down at the floor while laying on her back. She expected her father would more than likely climb on top of her like this once he was ready and she had her hands down around her vaginal lips, ready to pull them open to give him a peek at her quivering vaginal opening.

A few moments later, Allen turned around and headed towards the bed where Penny was laying, watching her pull her lips open as his eyes focused down on the small entrance to her vagina. It seemed to be a bit more active than usual, spasming inward a bit more while juices came out of her hole and gave it a nice glazed appearance. By now, Allen was fully erect, but Penny hadn't seen his shaft for herself yet. However, that was about to change.

Allen got onto the bed, standing on his knees in front of Penny as the young vixen looked at her father's shaft and saw a noticeable difference from the last time she had taken it. Her mouth and eyes opened wide as she sprang to her hands and knees, crawling over to her father as she got a closer look at his mousehood. The first thing Penny noticed about Allen's shaft was that it appeared to be a couple of inches longer than it did before with a narrower tip, however it was the second thing that she noticed that got most of her attention. "Daddy...is that what I think it is?", she asked him curiously, looking at the portion of his shaft near the sheath.

"I don't know...why don't you touch it and find out for yourself?", Allen responded in a playful tone, encouraging Penny to explore the changes he had made in his mousehood since they last had sex. Penny reached out with one of her hands and softly touched Allen around the base of his shaft. There, she felt a golfball-sized bump on his shaft...one that didn't exist before and that seemed to pulsate in her hand as she touched it. She knew right away what this was.

"You had a knot put on your penis?", Penny asked curiously as Allen blushed a bit and caressed Penny's cheek.

"I did...Daddy did it just for you honey. I figured you might like having it inside you", Allen explained to his daughter as Penny kept touching him around his new knot, making it pulsate a little more while precum began to spit out from his pointed tip. "It's fully functional sweetie...if I put it inside you, it'll grow bigger and get stuck while I fill you up with lots of my love", Allen added.

Penny looked at his shaft some more as her tail wagged from side-to-side rapidly, licking her chops in an excited manner while her insides continued to dampen and spasm for her father's cock. The changes in his shaft made Penny desire it more than she did before as she was curious to feel him knotted to her. "Can you turn the tie with me with this?", Penny asked curiously, knowing that the tie was the ultimate bond between a male and female fox.

Allen sighed while caressing Penny's cheek. "Well, not exactly honey. You see, Daddy can get stuck inside you like a male fox, but Daddy isn't flexible enough to turn the tie with you like a fox boy could", Allen explained to his daughter. Penny seemed a little bit disappointed that she couldn't be tied to her father, but Penny understood why this was the case, plus from what she felt him do to her in the past, Penny knew that Allen had other ways of expressing his affection for her that she knew a male fox could not do.

Though he couldn't turn the tie with her, Penny knew exactly what she wanted right away. "Well, what are we waiting for daddy?", Penny commented cheerfully while crawling onto the bed on her hands and knees in front of him before lifting her tail high up and shaking her tush at him. "Come do me foxy-style!", she exclaimed eagerly, swishing her tail from side-to-side a bit to get Allen's attention.

The sight of Penny's playful behavior made his already stiff cock even stronger, causing precum to spurt out from the tip while his eyes looked down at Penny's pink vaginal lips. He definitely wanted to get it inside her and could feel the pent-up sperm inside his balls just begging to be released into Penny's warm reproductive tract. With his desire to have sex with Penny growing, he came up behind Penny, placing his hands at the sides of her body while grabbing onto her tightly, bringing the tip of his shaft to touch up against Penny's outer lips. "Are you ready for this honey?", he asked Penny, pressing his tip against her lips a bit, feeling it touching the entrance to her vagina.

"Oh yes, Daddy...stick it inside me!", she responded excitedly while feeling his tip spurting precum just inside her vagina as it pressed up against it. Allen slowly pushed forward, sending his length back into Penny's vagina for the first time since his operation, enjoying the feeling around him.

"Oh how I've missed this", Allen thought to himself while pushing deeper into Penny, sending all of his mousehood into her until only the knot was outside. Once he was deep inside Penny, he stopped moving for a moment to let his length bask in her warmth and wetness. Though Penny was a bit bigger than she was the first time they had sex, she remained quite tight to him, especially near her opening where Penny was spasming around his shaft. Now that Penny knew that he had a knot, her body was reacting in the same way that it would if she were having sex with a male fox, preparing to take the knot inside her once Allen was ready to insert it.

However, this wouldn't happen for a little bit yet as Allen soon began moving back and forth inside Penny's vagina, feeling his length rubbing against her hot and tight vixen walls. Penny continued to spasm around him as she felt him move, growing more excited with each moment while her walls dampened and became even warmer. "Mmm...yes...I love you, Daddy!", she commented happily while taking his length inside her and feeling his sticky precum hitting against her cervix.

"Ahhh...yes...I love you too, Penny", he answered excitedly, moaning with pleasure from their sexual bond as he moved through her at a moderate pace, feeling his new knot bumping up against Penny's vaginal lips. His mousehood was pulsing with life from knot to tip, enjoying the feeling of his adoptive daughter's canal while his swollen and eager balls were busy preparing a large dose of cum to deliver into Penny. In the time that had passed since he first had sex with Penny, his feelings for her had changed. He still loved her, but his love for her had evolved far beyond the typical father/daughter relationship.

"Why couldn't she be a few years older?", Allen thought to himself while having sex with Penny, feeling his new knot pushing against her outer lips. "I'd love to have Penny as my sweet and loving wife. Doing this with her like we've done many times as well as a lot of the other things that a married couple would", Allen continued to think to himself while feeling Penny's vagina spasm and tighten around his mousehood. "I don't know how fertile she'll be once she reaches sexual maturity, but it would be nice if I could have a few kids with her. I think I'm ready to add to the family I already have", he continued to think as in recent months his natural breeding desires as a male mouse began to make him feel as if he wanted to have more than one daughter. However, Allen still didn't want a large family, he only wanted to have a few more kids rather than breeding with a mousette and creating a much larger litter.

But Allen soon put the thoughts of marriage and breeding out of his mind as he concentrated on the short-term, having sex with Penny the natural way while it was still safe for him to cum inside her. He started to move faster as he became more aroused, feeling the entire length of his mousehood throb strongly while the tightness of Penny's vagina kept increasing. His knot kept hitting against her vaginal lips and clitoris, which made the opening to her vagina begin to tug on him a little in an attempt to get the knot inside.

In addition, Penny started to move back against her father, pushing against his knot some more while her vaginal walls tried to tug it inside her. "Go ahead, Daddy...stick it inside me!", Penny exclaimed to her father, licking her chops eagerly in anticipation of feeling his new knot grow large inside her canal. In response, Allen kept thrusting at a rapid pace, having his knot bump repeatedly against her lips until at long last it passed through Penny's opening. The instant the knot went in, Allen suddenly started to feel what a male fox would experience when inserting their knot into a vixen. The feeling was very warm and tight, with Penny's walls converging on his knot and grabbing it hard. Her walls also seemed to spasm a bit while she did so, making the feeling of insertion feel even better to Allen.

Allen had never experienced anything like this before in his life, but it was easily the best sexual experience he had ever had. He enjoyed it so much that the instant he felt Penny clamp down on his knot, his climax had hit and he started to pump his sticky, sperm-filled cum directly into Penny's cervix. Naturally, Penny loved the feeling of Allen's seed deep within her womb as she had received it countless times in the past and knew that his warm and sticky load would stay inside her for hours after he had pulled out. However, Penny knew that the best part was still to come.

When Allen had his operation, he had his DNA altered slightly to enable his body to react like that of a male fox during mating. This meant that his knot began growing into Penny's vaginal walls while she kept clamping down on them, causing the two of them to become stuck to each other after a few moments. In addition, after the first several seconds of his intense climax, Allen's reproductive urges settled down into a more fox-like pattern of periodic spurts of his sticky mouse cum directly into Penny's womb, adding to what was already inside while Allen began to grind up against his daughter a bit. "Oh yes...I can see why male foxes like doing it like this", he thought to himself happily, feeling stuck inside his daughter while shooting his payload into her young body, thinking that it was still safe for him to do so.

However, after a couple of minutes, Allen felt something while inside Penny that he never felt before. The temperature of her vaginal walls seemed to suddenly rise briefly before settling back down to normal...twice. When this happened, Penny happened to look back at her father with a smile on her face and a twinkle in her eyes. "Mmm...I love you, daddy!", she told him in a happy and somewhat playful tone as Allen's eyes opened wide when he realized what was happening.

"Oh no...Penny's ovulating and I'm stuck inside her!", he thought to himself nervously while more of his seed was being shot directly into her newly fertile body. Even if Allen didn't have the knot, the fact that he had already inseminated her would almost certainly mean that his seed would meet her eggs and fertilize them, meaning there was nothing he could do about it now. The only thing Allen could do was to wait until he had settled down and pulled out of Penny as well as pray that the temperature spikes were only a signal to let him know that Penny was nearly ready to reproduce rather than meaning that she actually did ovulate.

However, with so much cum pouring into Penny, pregnancy seemed assured if she was sexually mature while Penny happily took every drop of Allen's cum into her uterus, continuing to tug on his knot some more to milk as much seed out of him as possible. Of course, Penny wouldn't mind getting knocked up by her father. She's wanted to do that with him ever since the very first time she felt his sperm fill her young vixen body. It didn't matter to Penny that Allen was three times her age, all she knew was that she loved him and wanted to give him everything that a female could give the love of her life. Of course, Penny wasn't aware that her biological clock was starting at the time, which was typical of young vixens. She did feel the temperature spike, but thought little of it outside of an enhanced feeling of sexual pleasure. Only a doctor would be able to tell for certain whether her temperature spikes were because she was nearing sexual maturity or if she was already there.

After several minutes of being stuck inside Penny and pumping a large load of his sticky cum into her uterus, Allen was able to pull his shaft out of her as he looked at his daughter nervously. "Penny, Daddy needs to take you to the doctor as soon as possible", he explained to his daughter as Penny looked to her father curiously.

"Why Daddy? Is there something wrong?", Penny asked curiously as Allen blushed and felt a bit sheepish inside.

"Well...no...not exactly. It's just that I felt something inside you that may mean that you're ready to start having babies", Allen explained to his daughter.

Penny squealed with delight and kissed her father on the nose. "Oh Daddy...thank you so much! I've wanted to have your babies for a very long time!", Penny exclaimed happily, thinking that she would become pregnant as Allen continued to blush and sweat a bit, catching Penny's attention. "What's wrong Daddy? Don't you want to make babies with me?", Penny asked curiously while Allen sighed and looked into her eyes.

"It's not that sweetheart...I've been thinking about that too. However, you're only 12 years old and if someone were to find out that you got pregnant from me, I would get into big trouble", Allen explained nervously as Penny clutched her father tightly and rubbed up against him.

"Daddy...I haven't told anyone about what we do in private and I wouldn't start now. No one needs to know that you made me pregnant, if anyone asks, I can just say that I got knocked up by some other mouse boy", Penny answered before kissing her father on his lips. "You're the most important part of my life Daddy...I don't want anyone to take you away from me", Penny added while murring sweetly and rubbing up against him.

Allen could only look at his sweet fennec fox daughter and kiss her nose, holding her in his arms while the two of them were naked on the bed. "You're the most important part of my life, too", Allen answered sweetly. "However, we still need to get you to a doctor to have you checked out. I only hope that they don't ask too many questions", he added while still feeling nervous on the inside. Although it seemed that both of them wanted to breed, Allen was hoping that Penny's body somehow wasn't quite ready to release eggs yet and that she could wait six more years before he could legally breed her.

To be continued?