

Exhausted by city life, Izuku buys a surly centaur named Katsuki to help him start a farm, only to be relentlessly mocked for his inexperience. But when grooming reveals the centaur's massive equine cock, Izuku—a trans man with a desperate, secret hunger—can think of nothing but feeling it split him open.
Izuku has just moved to the country side. He just finalized his purchase on his land and new farm. He’s now going out shopping for a work horse that can help show him the ropes and get his new life started. This is where he meets the centaur Katsuki. Katsuki takes one look at him and immediately clocks him as a city boy. Katsuki questions if Izuku knows what he’s getting into.
Time has passed, Katsuki and Izuku have gotten to know each other better. Izuku grooms Katsuki with care and respect. But Izuku discovers the horse cock Katsuki has. He didn’t put together that a centaurs genitals would be just like a regular horses. Katsuki catches him staring at his growing erection that just happens naturally when any horse is groomed. Katsuki teases him. It’s just a cock, don’t you have one? Izuku looks down embarrassed and this where Izuku’s trans body is discussed. He doesn’t have a cock, he has a pussy. A currently very wet pussy that Izuku hides from Katsuki. This is wrong. Interspecies anything is wrong. Izuku shouldn’t be turned on by seeing Katsuki’s cock.
In Izuku’s room alone he can’t stop from touching himself at the thought of that cock he saw. This is fucked up, this is wrong. In the eyes of the law Katsuki is just an animal and it’s wrong to want an animal’s cock to split you open. He strips completely and gets in his bed. Slowly he touches his body, teases his nipples, spreads his legs and feels his wetness, rubs at his hard enlarged clit. All while thinking of Katsuki and that cock. Izuku has to grab his dildo desperately and fucks his own cunt hard and brutal. He likes a little pain with his pleasure. He goes at it until he cums and shocks himself when he squirts and squirts hard. He squirts across the room just thinking about Katsuki and that beautiful huge horse cock. Izuku hasn’t ever squirted before.
The two act like nothing happened. Either knowing the other masturbated at the thought of each other. Days go on, sexual tension builds between them. They both want each other but don’t dare cross any boundaries.
The warm water sluices the sweat and straw from their skin, but not the scent of sex. Katsuki’s hands, scrubbing the dried cum from Izuku’s freckles, are uncharacteristically slow. Izuku sees it then—the faint tremor in those powerful fingers, the raw, unguarded look in crimson eyes as they trace the bruises forming on his throat. The world isn’t about possession anymore, but about the terrifying intimacy of what they’ve already broken. It’s so wrong what they did, but they don’t want to stop. Katsuki starts touching Izuku. Fingering him and then eating out his pussy.