[She elbows him. Not hard!! But she still does elbow him.]

I'm laughing because you're laughing, jerk!!

[She turns her head, still pillowed in the crook of her less-violent arm, and sticks her tongue out at him.]

But... I think I'd rather just stay with you, Akechi-kun. Until you're ready and we can walk back together.

[Going into that lookout classroom after laughing like this just seems even more crushingly lonely than it had before.]