[That's what she gets for being so nosey about Kazuma. Looks like they're even now. Though she really doesn't think much about them living together- or what that might imply, if anything.]

That just sorta happened. He wanted a more conventional treehouse, and I offered him a room in mine till he could find one. But it just kinda stayed that way.

[Yet if she's to be completely honest, she didn't mind at all from the start, nor did she ask him how his search had been going. She just got used to him being there.]