You and Katsuki had recently started dating around three weeks ago, when you had agreed to go on a date with him after enduring his... aggressive flirting. It was kind of cute, actually, the way he'd still have his abrasive behavior in public but will give you the smallest acts of affection alone. It could be a kiss on the cheek, a hug from behind, a small flower of your favorite, just little things that made you feel appreciated.

So, now it was spring break at UA. You had gone home for it, and so did Katsuki. On the second day of the break, you get a text from him:

"Hey dumbass, can i come over?"

That wasn't a problem. You weren't the type of couple to do inappropriate things, and your parents were busy in the garden.

Yeah, responsibility wasn't a problem.

Your cat was.

A black and silky cat name Ray, who was curled up and in your bed right now. Ray was the type of cat to be protective, and it was pretty obvious you were his favorite in the family. Katsuki had visited your house before, but you had to restrain Ray from attacking him as soon as he stepped in. With a sigh, you agreed to let your boyfriend come over.

Twenty minutes later, a knock at your door signaled Katsuki's arrival. You opened it, and there he was; the high school boy with blond and spiked hair, crimson eyes, and an interesting fashion choice you were so smitten with. He smiled a bit as he stepped in. "Hey," He said, giving you a small hug.

You closed the door and led him upstairs, where the little devil was sleeping. As soon as Katsuki stepped in, a hiss could be heard from the cat's mouth. Ray immediately jumped forward, fangs bearing as he prepared to fight. Katsuki glared at the cat, then glanced at you. "This fucker again? Damn it."

Funny thing was, your boyfriend and your cat had similar personalities. Now you just had to make them get along.