Work Text:
Tetsutetsu knew there was something off about how Eijioru treated his boyfriend, Katsuki. It’s not that they didn’t get along (Tetsutetsu wouldn’t be dating the blond if he fought with his dog. Listen, that dog has been through thick and thin with him, he would kill for that dog.)
It’s that he thinks Eijirou gets along with Katsuki too well.
Eijirou always jumps on the blond when he comes over. Some might say that Eijirou just had that sort of personality. And while true, Eijirou is a jumper and a licker, it’s more that he does it to Katsuki all the time.
He licks him all the time, stays near the blond all the time, constantly wants attention from Katsuki, sometimes more than he wants it from Tetsutetsu.
Tetsutetsu took it all in stride though. Katsuki didn’t seem to mind, after getting used to Eijirou’s abundant energy and would often indulge in Eijirou’s needy nature. Tetsutetsu just thought it was a sign that Katsuki is the ONE for him.
Even if the husky constantly following Katsuki around makes it hard to get anything done in the house.
….it especially made having sex hard. There was a rough bump there for a while where they had to sneak out of the house for romps in cars or hotels, like they were two teenagers trying to get around the watchful eye of their parents.
But they worked through it, Katsuki seems to love Eijirou as much as Tetsutetsu, and they were starting to make a little family for themselves.
And then Eijirou’s real intentions came to light one night.
They had locked Eijirou out of the house as they shared a few hours of passion, well aware he would burst down their bedroom door if given the chance. It had been embarrassing at first, calls from neighbors about their howling dog, but when the need struck, those thoughts flew from their mind.
Afterwards, Katsuki falls asleep like usual, legs spread and cunt dripping with Tetsutetsu’s creamy load, thick thighs splashed with it. Tetsutetsu took a picture for his personal album and then went to let Eijirou back in.
He made a detour to the bathroom after to piss, thinking nothing as Eijirou’s claws click-clack back to the bedroom.
Once done, Tetsutetsu yawns and flushes and heads back to bed, ready to cuddle his octopus of a boyfriend.
Only...he slows down when, as he nears, he hears a wet sound. It’s loud and sounds sloppy. Just underneath, he hears what sounds like long moans and breathy whimpers.
They sound like Katsuki’s moans.
He creeps closer. Opens the door. He’s half hard already, expecting to see his boyfriend making a surprising come back and fucking Tetsutetsu’s cum deeper in that pretty pink cunt, desperate for a round two.
What he sees instead is Eijirou on the bed. Tetsutetsu’s breath catches, his heart thunders and he thinks oh no .
The husky sits between Katsuki’s spread thighs. Large paws keep those pale legs open, keeping Katsuki spread, as he licks the cum out of Katsuki’s cunt.
Katsuki still has his eyes closed. Tetsutetsu knows from previous experience that after a good fuck, Katsuki sleeps like the dead.
(Knows from experience that he could use the smaller man as a personal fleshlight, cock pounding in so hard to his cunt that it turns a nice shade of red, and Katsuki will sleep like a fucking baby.)
And Tetsutetsu knows that he should wake Katsuki up. Or-or-or he should shoo Eijirou away and try to scrub the image from his eyes, act like nothing had happened.
What he shouldn’t do is get hard at the sigh.
Tetsutetsu has a dark secret, something he kept deep in his heart and hasn’t done since he started dating Katsuki….but he used to put peanut butter on his cock and have Eijirou lick it off.
So he knows what that tongue feels like, curling and licking and drooling on his aching flesh.
He can’t help but stand there, frozen, getting harder as he watches Eijirou continue to lick at Katsuki’s cunt, licking every drop of seed out of the blond, nose trying to dig deeper, fur around his snout getting wetter as Katsuki squirms beneath him, an orgasm growing.
And then when the husky gets as much as he can, he stands up, moving over Katsuki-
And starts to hump him.
There’s a flush on Katsuki’s face, breath heavy, as he whines, noises crawling out of his throat.
Tetsutetsu’s eyes are trained on that red cock, already licking, sliding against Katsuki’s pussy. Eijirou whines, clearly trying to slip inside though he can’t get that angle. His bulky body hunches, really trying to find that warm hole, but he just can’t .
There’s a whine building up in Eijirou’s throat, desperate for a cunt to breed. Tetsutetsu swallows and wonders if this goes on long enough, will Eijirou cum on Katsuki?
He shakes his head. This has gone on too long. Tetsutetsu should throw Eijirou out, should clean up Katsuki as much as possible.
What he should not do is walk towards the bed, like a man possessed. What he should not do is pet behind Eijirou’s ears.
What he should not do is reach down, large hands lifting Katsuki’s hips up, fingers spreading Katsuki’s cunt open.
What he should not do is invite Eijirou in, whisper “Come on, boy, breed my bitch.”
Eijirou practically howls as with Tetsutetsu’s help and the new angle, he manages to slip in, thrusting all the way in. Katsuki sounds like his breath has been punched out of him. His eyes flutter.
But he does not wake.
Tetsutetsu has an up and close view as Eijirou begins to breed Katsuki, hips moving fast and hard, big hairy balls slapping against his skin. Eijirou whines again, but it’s happier, large tongue hanging out, looking like he’s received the best present in the world.
Tetsutetsu can practically feel his cock throb as it hangs between his thighs, hard, aching, dripping precum a she watches the way Katsuki’s cunt spreads open with every thrust in.
He almost bursts right there as he watches the base of Eijirou’s dick expand, growing his knot. Eijirou hunkers down, thrusting harder to fit it inside, Katsuki’s body rocking and sliding across the bed.
Of course, Tetsutetsu has to help. He lifts Katsuki’s hips higher and moans as the knot slips inside. He reaches down to start jerking himself off as Eijirou tries to jerk back.
The knot sticks.
Eijirou turns around and from this angle, Tetsutetsu can see his balls pulse with every thick load he unleashes into Katsuki.
Tetsutetsu licks his lips. He knows this is wrong. He also knows he has to see it again.
...maybe after he gets his chance to fuck into Katsuki’s sloppy, cumfilled cunt.
