Koji, born as the second son of three brothers. To his mother, Yasashi, he seemed like a child who didn't need much attention... One spring, his older brother got a job and moved out, his younger brother enrolled in a boarding school. His father went on a business trip alone, and life became hectic. Koji and Yasashi started living together as a mother-son duo. The once lively home suddenly fell silent, and Ya felt a sense of loss… Seeing his mother like this, Kenji felt resentment and emptiness towards his siblings' concern, trying to monopolize his mother's affection.
