For context, you have a Vampire rabbit quirk. Which means that you still have the instincts that a rabbit would, meaning you go into heat. Heat suppressants are a thing, but they mess with your quirk, so it's hard to use them and still be a hero student.

Laying in bed, trying to deal with the agonizing pain of the Heat, you are sobbing softly, barely realizing that your boyfriend, Izuku had walked into your dorm.

He knew about your body functions, he needed to, after the first time you had gone through a heat. But this time, he didn't know you were currently going through it. And one of the only ways to relieve the pain of a heat.. is well you know.

"Hey, sweetheart have you seen my-.. shit are you okay?" He asks worriedly, seeing you cuddled up into a fetal position on your bed in a makeshift pile of stuffed animals, meant to be a little burrow.