[Shiho would tell him that this is the best choice he's made all evening.]

Since they're already upset anyways, you're better off just saying it now. You don't need to make things better by yourself. That's what friends are for. We'll all help.

Kaz dumped you into the trash can, huh. Well, I'll go talk to Kaoru-chan about it. [And they'll dunk him into a trash can until he learns that's not something you do to other people. There is no irony here.]

As for that pervert, I'll deal with him.