Haine is a boyish tomboy high school girl who wants her very own yuri harem. She gets confident after helping a girl on the first day of school, but standing in the way of her goal is Shizuka, another boyish high school girl who's seen as a prince and steals girls' hearts without even trying! Haine's new goal is to defeat Shizuka and build her yuri harem! A yuri comedy full of ruthlessness and bickering between two rival tomboys!