Ikumi Morisaki plays for his school's soccer team and maintains a romantic relationship with Azusa Kawahara, the team's manager. Their bond traces back to childhood as playmates, with their mutual affection widely recognized among peers. Recently, Ikumi displays uncharacteristic distance—rushing home after school and avoiding Azusa—creating tension between them. This behavior escalates when he is observed walking home with another student, Sayaka. Azusa’s suspicions about his fidelity intensify, questioning whether his avoidance stems from infidelity. The narrative focuses on the ensuing conflict and external rivalry threatening their relationship, though Ikumi’s precise motivations or feelings toward Sayaka remain undefined. His story concludes without resolution regarding the relationship’s outcome or personal development.