Portal endurance testing

Story by HornyBunny on SoFurry

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Portal endurance testing

"Wake up, time for another test" a cold mechanical voice says.

A red fox rolls over in his bed, opens his eyes, and sees the usual sterile white walls of the portal institute. "What is it now, do you want me to jump through some flaming ring or climb a rope over acid," he says sitting up.

"This is a test you may enjoy, we need to test your endurance," it says and an orange portal opens letting the fox leave the glass box. He steps through the portal and finds himself in a room he has never seen before, but recognizes the portal gun in the center of the room. "Take it and head through the door," the computer tells him.

He takes the portal gun and heads through a round door "what now?" he asks seeing a bottomless pit in front of him and nothing to create a portal on.

"Just a second" it says, and from below, a gurgling is heard and geyser of white goo sprays from the pit leaving white spots all over the room. "Their you go" it says and the fox grins.

"This is going to be easier then I thought" he thinks as he creates a portal across from him and one next to him. Just before he steps through, the platform starts moving to the opposite side of the room, he looks across at the platform and opens a portal next to it and the platform moves again "this isn't funny" he says and looks around again and sees a cube on a lower level. He shoots the floor under the cube making it roll out next to him, waits for the platform to stop moving, and opens a portal next to it, making it move. He pushes the cube through on to the platform barely getting it through fast enough stopping the platform.

"Very good" the computer says and the platform moves back under the portal.

The fox steps through the portal and turns facing a door that opens and lets him through "good, you're getting better' the computer says making the fox grin as he heads for an elevator to take him to the next test.

He rides the elevator up several floors and when the doors open he heads through the door in front of him and finds an empty room, no pits, no drones, nothing "what's going on" he says taking a few more steps.

"This is the part of the test you may enjoy" it says and the walls open as wires move like snakes and wrap around his arms and legs.

"What are you doing!" he says struggling as a wire wraps around the portal gun and takes it away from him.

"You won't need that for awhile," it says and several more wires come out of the floor, ceiling, and snake their way under his clothes. With a loud ripping sound tears them away from his body leaving him hanging nude in the air. He looks around as the wires tighten making him stop struggling and go limp, feeling the wires loosen a little.

A tube lowers from the ceiling, moves over his sheath, and presses down on it, sealing around it and creating a vacuum drawing a few soft moans from the fox as his cock starts to grow from his furry pouch. When his cock is hard the vacuum breaks and the tube tightens around him until it's holding him tightly and starts to move up and down as a slippery gel smears between him and the tube letting it go faster while increasing his sensitivity. "Come on, let it go" the computer says and the fox arches his back screaming as he explodes, shooting thick ropes of white cum into the tube. It is sucked away as fast as he can shoot it making him jerk with each burst of suction and shoot even more until he finally goes limp.

"My, that was a lot" the computer says lowering him to the floor "now get up and head into the next room" it says as the wires and portal gun disappear from sight.

He gets up with a groan, feeling his legs weak and his balls tingling from the pleasure he just felt. "What was that?" he asks and waits a second not getting a response "I've never felt anything like that" he says, walking to the only door in the room and finds a room with a pool in the middle of it. He walks to the edge of the pool, sees a platform rising from the center, and watches the top of it open and the portal gun rises from it.

"Go get it and we'll continue" the computer says.

He sits down on the edge of the pool and slides in feeling the warm water surrounding his foxhood and rousing it back to life. He starts to swim to the platform and half way there, he gasps as something wraps around his balls and hard cock and pulls him away from the platform using those like handles. He moans as the gentle tugging stimulates and before he can react, he is being raises out of the water by a box and can feel it opening under his rump. His tail hangs freely as he feels something probing under it making him gasp and squirm as pleasure starts to form. "What are you doing!" he gasps, feeling a cool gel leaking from the tip of the thing rubbing his tailhole.

"I must test your endurance and this is the best way too" the mechanized voice says and the pole presses harder until it slips into his tailhole and he groans feeling pain and sparks of pleasure as it starts to vibrate against his prostate making him drip pre-cum into the water below him. The pipe starts to move slowly in and out of his rump and he goes limp as it bumps his prostate sending bolts of pleasure through his body making his cock throb and spit strings of pre-cum into the water. The pipe starts moving faster, making him jerk and moan as pleasure builds. after a few minutes her grunts and another load shoots through the air landing in the water several feet from him as the pipe stops moving and starts vibrating even faster shocking him with the pleasure it's creating, keeping his orgasm going until he passes out from pleasure overload.

The box lowers as water drains from the room and the floor rises up under him and he lays on the floor drying as he slowly wakes up feeling his muscles aching and his cock still semi-hard. "What happened?" he says shaking his head and remembering his cock starts to grow.

"Enter the next room," the computer tells him and the door opens in front of him.

He stands up, sees the portal gun, and takes it before leaving the room he goes through the door feeling his semi-hard cock swaying with each step and enter the next room finding the door high above him and several different levels around him. "Looks like I need to bounce from one portal to the next until I get to the door" he says looking down and then up judging the distance "it might work."

He opens a portal on one of the slanted platforms, jumps to the lowest level opening a portal below him, comes shooting out the slanted portal, and quickly opens a portal in front of him. The portal behind him closes and he goes through the portal and flies straight up from the lowest level and quickly opens a portal on the next slanted level and repeats it until he lands on the top platform and groans as his freely swaying balls hits his thighs.

"Step into the middle of the room" the computer says and the fox does as directed as the walls starts closing in on him. He quickly shoots a portal on either side of him and the walls stop moving a few inches from him "good, now you must pleasure yourself using the portals" it tells him and the walls move closer until his cock slides through the portal hitting his own ass.

He reaches behind himself and touches himself gasping as the sensation seems stronger then before, "penetrate yourself" the computer tells him and a video screen appears in front of him showing him what he's supposed to do. A tube drops from the ceiling and sprays a mist on him coating him in slippery liquid. He reaches through the portal feeling his own hands on his ass and spreads his cheeks open feeling his cock pressing against his loosened pucker. He moans as the section of the wall moves, pushing his penis into himself making his knees shake as the dual pleasure hits him and his cock throbs drooling pre-cum in his bowels adding to the lubricant coating him. He starts to move his hips, feeling his cock moving in himself increasing his pleasure even higher and after a few minutes of thrusting, he arches his back and screams as he shoots himself full of cum. He grunts with each shot until he falls forward against the wall panting feeling his legs weak from the pleasure and release that just shot through him.

"Just one more test" the computer says as the two portals shrink in size the one behind him closes and opens up in front of his face. He sniffs it a few times feeling his breath on it and watches it get harder as sparks shoot from it. He quickly licks it tasting himself on it and feels, watches it jerk at the taste, and takes it between his lips and sucks making his knees shake. He moans around it feeling his balls tingle and swell with seed. "Good, keep going" the computer says as something pushes into his tailhole and starts vibrating, increasing his pleasure to a peak and he explodes shooting hot white cum down his own throat. He gags on it a few times and starts swallowing as the pole in his ass massages his prostate keeping his orgasm going until he passes out again.

The walls tilt and separate until he is lying on the floor, until a stream of water falls on him from above him. "What the!" he says jumping up and looking around.

"On to the next test" the computer says and a door behind him opens.

"What's in that room?" he asks and gets no response.

He heads through the door and finds another puzzle room, a pit surrounded by four rooms he opens a portal to a room and steps through and gets ready to open a portal next to the door when the rooms start moving. He opens the portal, steps through, and waits, but it never goes back to the door. He repeats that same action several times before he stops and watches how the rooms shift and sees a pattern forming. He opens a portal in the room just as it stops next to the door and quickly runs through it "very good, one last test and you can go back to bed since you must be tired from all the testing" the computer says as he walks into the middle of the room.

Vine like wires wrap around his arms and legs like before and bend him over a raised porting of the floor leaving his tailhole exposed and dripping cum. A pipe moves to his tailhole and pushes into him with a groan escaping from his lips, his cock starts to harden, and he moans louder feeling suction forming around his hardening shaft. He moans as the suction increases until he is rock hard and throbbing as pre-cum is sucked from his cock and whisked away to somewhere else. The pole in his tailhole starts moving faster and deeper keeping a vibration on his prostate at all times until he explodes shooting hot white cum through the tube. He jerks, humping the tube until he goes limp.

He lifts his head when he hear something coming from the ceiling and looks up seeing a panel with a portal approaching him and when it's level with his mouth a cock slides through it instantly filling his nose with a musky smell that arouses him. He opens his mouth, starts sucking on it, and feels it twitch between his lips as pre-cum starts to flow. He sucks for a few minutes, feels the cock swell in his muzzle, and spits a thick rope of cum down his throat. He greedily swallows every drop he can before the cock disappears through the portal and a tube appears from it "suck on the tube3" the computer says.

He takes the tube into his muzzle and feels it draining a liquid similar to his own cum filling his mouth making him swallow as fast as he can until the tube is empty.

"Good you may return to you chamber' the computer says opening a portal next to him showing his room through it. He lies on the floor for several minute recovering after all the testing and still tasting the cum on his lips. He gets up, goes through the portal, and collapses on the bed falling asleep.

The end