[Reducing Mosaic]ROE-542 Days of incest with mother in the family home after all children have left the nest—Nagamine Tsubaki.

Kenji was born as the second son of three brothers. From her mother Tsubaki'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 Tsubaki started living together as a mother and son. The once lively house suddenly becomes quiet, and Tsubaki feels a sense of loss. Seeing his mother's behavior like this, Kenji feels frustrated and empty because he only cares about his siblings, and tries to monopolize his mother's love...