Satoru Tsukishima, a high school student and member of the boxing club, receives a heartfelt confession from Yae Saotome, the renowned Female Featherweight Champion of the Kanto region. Despite his initial joy, Satoru grapples with the belief that Yae should prioritize her boxing career over a relationship. As Yae's championship and potential Olympic representation loom, Satoru, feeling inadequate compared to her skills, struggles with the idea of dating a star athlete. To allow them to be together without jeopardizing Yae's boxing commitments, their coach orchestrates a plan for Satoru to become Yae's secret trainer, balancing their romance with club responsibilities. The delicate balance between love and ambition unfolds as they navigate the complexities of their hidden relationship, knowing that discovery could spell its end.