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Under Lunk and Key 2

The mastiff was always at home and he was trained to provide all that dasher was looking for.

Anal, Anthro, Anthro on Feral, Ass, Cheat, Cheating, Chubby, Cuck, Cucking, Cuckolding, Cum, Facesitting, Fat, Feral, Ferret, Fucking, Musk, Obese, Orca, Piss, Rimming, Size Difference, Slob, Sweat, Watersports, Whale, adultery, ass to mouth, cruel, gross, mean, overweight, stink, twink

Spirit Bound: Chapter Fifty-Three

The two large shadow mastiff's in this room seemed to be affected as much as he was.

Akita, Cub, Drama, Gay, Highschool, Magic, Male, Rottweiler, Series, Violence (Not In Yiff), Wolf, barepawed

Spirit Bound: Chapter Forty-Three

I'm not familiar with these mastiffs, but you claim to own some outer-planar creatures?

Akita, Anal, Cub, Gay, Highschool, Knot, M/M, Magic, Male, Rottweiler, Series, Tie, Violence (Not In Yiff), Wolf, barepawed

Tales from the Beast City: A Stallion's Dance

The first one was a large fawn mastiff, and the second a grey stallion.

Breathplay, Bull, Dog, Horse, Humiliation, Mastiff, Medieval, Slavery, Stallion, hanging

Keep Your Friends Close

The mastiff read off a card, smirking to the tables.

4 way, Cock, Cuckold, Cuckolding, Cum, Cum on Face, Cum on body, Duke, Equine, Equine Cock, Exhibitionism, Femboy, Femboys, Four way, Foursome, Foxes, Gay, Horse Cock, Hyper Cock, Licking, Netorare, Oral, Public, Strip club, Stripper, Threesome, Zebra, friends, sucking

Playing The Part

The mastiff laughed heartily, "well... okay...

Character Development, Dalmatian, Dog, Human, Humor, Mastiff, burb dog

Window Framed 2

If the mastiff had been struggling to hold off on his orgasm before, he was downright torturing himself now.

Anal, Canine, Cervine, Deer, Dog, Equine, Exhibitionism, Fucking, Gay, Gay Sex, Horse, Implied Oral, Knot, M/M, Mastiff, Masturbation, Rough, Voyeurism

A Good Master

To randall's horror, he then saw the mastiff take the hot air vent from the heater, bend it down into the basement, and turned it on full blast.

Anal, Dog, Handjob, M/M, Master/Pet, Semi NC, Short Story, Shower, Watersports, Wolf

Pardus the Gelder Chapter 3: The dogs from the border – Kalliir’s story

The first one to be sold was a mastiff, who had a thick and fluffy brown-black coat, and stood taller than all others surrounding him.

Anatomically Correct, Antelope, Balls, Burdizzo, Castration, Cheetah, Dalmatian, Dog, Husky, Leopard, Lion, Male/Male, Master/Slave, Mastiff, Medieval, Musk, Rottweiler, Serval

Omnipet: Tech Support

Ding pulls up one of the mastiff's floppy ears and whispers into it. the mastiff makes his way over to sit beside jasmine. the big dumb dog spreads his legs and lets ding search around in the big wet mess of fur until he finds the sheath.

Anal, Anthro, Bunny, Butt, Casual nudity, Cat, Corgi, Cowgirl, Dalmatian, Dog, Exhibitionism, Gay, German Shepherd, Gila monster, Harness, Human, Humiliation, Hyena, Kissing, Knotting, Labrador, Leopard, M/F, M/M, Mastiff, Missionary, Oral, Orgy, Polar Bear, Pool, Public, Public Nudity, Sci-Fi, Slavery, Straight, Strap-On, Vaginal, embarrassment, null, streaking

Humilated Pleasures-Chapter 10

However jamie kept her rear end up in the same position to allow the mastiff on his next thrust to penetrate her next thrust.

Bestiality, Dog, Gay, M/F, M/M, M/M/F, Suggestive imagetry, Threesome, Voyeurism

A Little Less Counselor, A Little More Concubine 4

Fyacin gasped as the mastiff laid hands on him, broad hands that felt nearly twice the size of his own rubbing around the base of his tail.

Corruption, Dog, Erection, Fantasy, Feline, Heat, Infirmary, Lion, M/M, Massage, Mastiff, Medicine, Series, Teasing, Temptation, drug