Actually clothes just like she's wearing here.

[The enormous stripes. She wonders what they looked like when Kirika was kicking something.]

She'd... rearranged all the furniture in her room, and eaten lots of candy.

[That's everything that came to mind. It would make sense to Mizuki, Oriko wanting to know all the details but abstractly. There's projection going on there. The anger that Mizuki glosses as alternative interior decorating does make it seem like Oriko isn't wrong.]