[ She can't help but chuckle, at that. Look at him, apologizing on behalf of his teacher... shouldn't it be the other way around, in most cases? ]

Yuji, if I may... You needn't apologize for anything on your teacher's behalf, okay? How a grown man acts towards me or someone else isn't anyone's responsibility but his own.

[ Words Nanami should probably also hear even if neither of them will listen. ]

And don't worry. I'm used to troublemakers at home, too.