"I know that." And that's honestly why it doesn't bother him. At least not enough for him to really give it more than a passing thought. Nanami barely registers the existence of others in general unless it's something serious.

"You're the only one who heard me. I wouldn't embarrass you like around other people." But it needed to be said and he'd tried to be delicate about it, at least. "You're mine and nothing's going to change that."