Koyuki Seri is a high school student who tries to avoid strange people because he knows he will just end up being the straight man to their antics. Enter Hanadori Kabuto, Koyuki's classmate who has chuuunibyou (second-year middle school syndrome) and claims his eyepatch seals his god of destruction alter ego. Everything about Hanadori exudes the need for a straight man to keep him in check, and sure enough Koyuki is drawn in!