Kenji was born as the second son of three brothers. To his mother, Aoi, he seemed like a child who didn't require much attention... But one spring, his older brother got a job and started living alone, his younger brother enrolled in a boarding school, and his father went on a business trip alone. Life changed rapidly, and Kenji and Aoi began living together as a mother-son duo. The once bustling home suddenly fell silent, and Aoi felt a sense of loss… Seeing his mother like this, Kenji felt regret and emptiness about her attention only on his siblings, trying to monopolize his mother's affection.
