ROE-516 After all family members have left the nest, spending incestuous days with mother at the old home―. Inamori Masashi

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.