She is sitting in the library, studying. It's her most common pastime, by hours; spending time with her sister is more enjoyable but Jaromira prefers to socialize more broadly and Katarzyna would only get in the way. This is better on net; the two of them share a room, so it isn't as though her sister's time is entirely hogged by the other girls who call this boarding school "home." Or at least "prison." Katarzyna doesn't mind it, though; the school library is excellent, and basic manners and care for the books has endeared her to the librarian to a sufficient degree to lubricate the interlibrary loans process when there's something she wants to read that they don't have.
Kanimir and Jaromira in Fabulous
jumptotheleft
"Okay, let's try replacing the crossed filigrees altogether with a filigree belt-slash-sash."
jumptotheleft
"Okay, lose the belt. Hm...makeup, let's do makeup. Try lipstick in each of the three colors?"
jumptotheleft
"Ooh, that really does make your eyes pop. Okay, let's try adding eyeshadow in green and blue, see if either of those helps."
jumptotheleft
"Oh, nice. Okay, let's try adding diamonds at the corners of your eyes, start with white."
jumptotheleft
"Now, the lipstick...we've been running pretty hard with the three-color thing, but you might want to try a few shades of red lipstick, just in case."