Hayate Kurogane, a boy who has always lived without feeling much, suddenly finds his world changing when he meets Aoi Tachibana, a lively and emotional girl. Their accidental encounter sparks a connection neither expected, and they begin helping each other overcome their personal traumas. Amidst moments of laughter, sadness, and growth, they start to discover what it truly means to care for someone — all while remaining unaware of their growing feelings for each other.