While Mizutani's focus is solely on academic excellence, paying little attention to anything else, Haru seems to be a quick-tempered brute whose violent outbursts are feared by all. Despite his protective tendencies, Haru faces suspension after he attacks some bullies who were bullying a fellow student on the very first day of school. When Mizutani is tasked with delivering school materials to Haru, she mistakenly interprets it as a friendly gesture extended towards her and despite Mizutani's reluctance, Haru becomes attached to her. As a result, an unusual and potentially explosive relationship commences between the two! In addition, this book includes 17 extra tales.