Description：Shikimori seems like the perfect girlfriend: cute, fun to be around, sweet when she wants to be… but she has a cool dark side that comes out under the right circumstances. And her boyfriend Izumi loves to be around when that happens!
Description：The story is set in the future, not long after the present day. Hyper Sports, which use extreme gear as support items, have become popular hobby competitions among both children and adults. Hiyori Hayama is a high school singer who has nothing to do with Hyper Sports, but a certain incident sets the story in motion.
