Kenji was born as the second son of three brothers. From her mother Rina's perspective, she seemed like a quiet child who didn't assert herself. One spring, my older brother got a job and lived alone, and my younger brother enrolled in a boarding school to pursue baseball. Her father moved away from home and her life changed rapidly, and Kenji Torina started living with her mother and son. The lively house suddenly becomes quiet, and I feel a sense of loss. Seeing his mother in such a state, Kenji feels regret and emptiness, and tries to regain her mother's love, which he was unable to monopolize until now.
