Mocked for his unusual name, Nasa Yuzaki aims to leave a lasting mark beyond his moniker. Topping the national exams, he secures admission to his dream high school. Yet, a chance encounter with a captivating girl alters his fate in a heartbeat. Struck by love at first sight, Nasa's reckless pursuit of her leads to a near-fatal accident. Saved by the girl, Nasa professes his feelings, prompting a sudden proposal of marriage. As he awakens, she vanishes, leaving him on a quest spanning years to reunite with his mysterious savior. Just when hope dims, a surprising visitor appears, unveiling a life-altering revelation: the woman of his dreams is now his wife.