Kira Kira Labyrinth

from dgt: when asano arisu was little she was badly bullied by the local boys, now a high school student she's famous for her vehement hatred of men and boards an all girls school. when stunning fujimi kira enters and becomes her dorm-mate, proclaiming that she also hates men, arisu thinks that it must be a fated meeting. however, they both have secrets that they need to keep from the dorm head, strict kamitani-sensei: arisu keeping a pet ferret in the dorm, and kira the fact that she's actually a boy–much to arisu's horror. it appears that he's at the school to uncover the mystery of his older half-sister's supposed suicide 2 years before. will arisu be able to cope with having to share a room with a boy, let alone help him with his investigations? and just how dangerous will it be to solve the mystery?