Rintaro Tsumugi attends Chidori High School, a bottom-tier institution notorious for its delinquent population. Directly adjacent lies Kikyo Girls Academy, a prestigious school for the social elite where students view their neighbors with open disdain. Despite the mutual hostility between their campuses, Rintaro encounters Kaoruko Waguri while working at his family cake shop. Her warm personality and lack of prejudice catch him off guard, sparking a delicate bond that transcends their different social standings. This grounded romance explores the challenges of young love and the quiet courage needed to bridge the gap between two deeply divided worlds.