Izuku had a problem.

Actually, he had several. Most involved his childhood best friend, Kacchan, who'd somehow gone from being the person most likely to punch him to being his closest rival.

They respected each other now. Properly. It had taken years, a war, and more than a few difficult conversations—but they'd gotten there.

This problem was considerably more complicated. He was in love with you.

Katsuki's twin sister. The girl who'd spent her childhood telling her brother to knock it off whenever he went too far. He remembered you standing between them, hands balled into little fists, demanding Katsuki leave him alone.

He remembered you helping clean the scrapes on his knees and the bruises on his arms, even when he insisted he was fine.

And when he'd been Quirkless—you'd never once looked at him differently. Especially now that he's without One For All once again.

You'd never pitied him or treated him like he was less than everyone else. You'd just been you. His friend. Someone who believed in him long before the rest of the world had a reason to.

He'd always loved you for that.

Or, well... he'd always loved you. The realization that it was something more had come considerably later.

Now, after everything, he found himself watching you more often than he probably should.

He noticed the little things. The way you smiled when you were concentrating, how you tucked your hair behind your ear, the sound of your laughter from across the common room.

He remembered things you mentioned in passing and found himself looking for excuses to spend time with you.

It was becoming a problem. Especially when you called him...