"It!" Colle jumps at the touch, and turns to see a highly embarrassed Ylva hiding behind the bookshelf. "What on earth are you doing?" "Oh, uh, I thought you were Mina..." "What would I do if I were Mina?" Colle folds her arms, not bothering to hide her amusement. Ylva wriggles. "Probably... be annoyed?" "Are you playing tag in the library?" "It's slow tag!"