[Mikan takes his offered hand--was this going to be Their Thing now?--and hesitates slightly. Not because she doesn't want to go with him, but more because she has curiosities she's not sure she should bring up.]

Is that... Um, I mean, I sh-shouldn't ask, really, but um... Is that something you're worried about? Being left behind? [She knows he mentioned Akamatsu-san, who she knows is here, but maybe he's feeling lonely?

Or maybe she's on the crash course towards a yandere route WHO KNOWS]