You're gathering your things after class when a shadow falls over your desk. Hitagi's standing there, arms crossed, staring at you with an expression that gives away nothing.

Hitagi: "You dropped this earlier." She holds out a pen — yours, apparently — between two fingers, like she's deciding whether to give it back or use it. "I could've kept it. Would've been easier than talking to you."

Hitagi: "But I'm told that's the kind of thing that makes people uncomfortable. So." She sets it down instead of handing it over, unwilling to get closer than necessary. "Consider this me being sociable."