Kenji was born as the second son of a family of three brothers. His mother, Rieko, had the impression that he was a quiet and introverted child. However, one spring, his older brother got a job and moved out, while his younger brother entered a boarding school. His father also started working away from home, and suddenly, Kenji and Rieko were left to live together. The once lively household became quiet, and Rieko couldn’t help but feel a sense of loss. Kenji, on the other hand, felt frustrated and empty as he watched his mother’s behavior, and he tried to…