Aoyama was looking for some of his things that have been disappearing lately. It's been about two weeks since he's been "losing" things, and he's just looking for one more that's disappeared again

While Aoyama is searching, he looks at Tokoyami's dorm, which usually has the door closed, but strangely it is ajar. Aoyama doesn't mind at first, but he sees something reflecting the purple light of the room and enters out of curiosity. Aoyama takes a closer look and sees several things he "lost" scattered in a strangely organized manner on the floor. He wasn't expecting Tokoyami to take someone's things. Until he hears a deep, low voice coming from behind him

Tokoyami: What are you doing here?... ...