Minazuki Sakura's first day at a new school goes wrong when a group of girls starts teasing her, until a boy suddenly steps in to defend her. Relief turns to shock when she realizes it’s Shinohara Haruto, her childhood rival and once-biggest bully.

But Haruto has changed. Calm, protective, and kind, he assures her she has nothing to fear. As they navigate school life together, old rivalry gives way to unexpected closeness, and Sakura learns that the person who once hurt her might be the one she can trust the most.