[Are they though. Are...... they. The smack catches him completely by surprise in the middle of finishing up his impromptu tidying and has the excellent side effect of making him drop a stack of books all over their ankles, so now they're halfway to back where they started. He also yelps, and is very solid.]

Eh, Jin Ling-kun...?! What was that for??

[Should he just... give up on this not tripping thing..... Upon reflection he just shoves the books to the side with his foot. Sometimes you have to call it good enough.]

I know it sounds kind of crazy and confusing, but I'm also kind of confused? To tell you the truth, I'm used to ghosts being more-- coherent? Useful? [he ruffles a hand through his hair] Maybe it's something in the air here...