ROE-404 After all the family members have left the nest, spending incestuous days with mother at the old family home... Kiyose Aoi.

Kenji was born as the second son of three brothers.From her mother Aoi's perspective, she had the impression that she was a child who didn't need much help...One spring, my older brother got a job and lived alone, and my younger brother enrolled in a boarding school.Their father moved away from home and their lives changed rapidly, and Kenji and Aoi started living together as a mother and son.The once lively house suddenly becomes quiet, and Aoi feels a sense of loss.Seeing his mother's behavior like this, Kenji feels the regret and emptiness of worrying only about his siblings, and tries to monopolize his mother's love...