Kenji was born to the second son of three brothers. - From her mother, Rina, I got the impression that she was a quiet child who didn't assert herself... - One spring of the year, my older brother got a job and lived alone, and my younger brother entered a boarding school to go on to baseball. - His father is on a single business trip and his life changes rapidly, and Kenji Torina's mother and child begin living together. - The lively house suddenly becomes quiet and I feel a sense of loss. - Seeing her mother's situation, Kenji felt frustrated and emptiness, and tried to regain the love she had never been able to monopolize before...