[Reducing Mosaic]ROE-107 Days of incest with my mother in the family home after all my siblings have left the nest―. Natsuko Kayama

Kenji was born as the second son of three brothers. From his mother, Natsuko's point of view, he was an easy-going child, but... One spring, his older brother got a job and lived alone, while his younger brother entered a boarding school. His father was sent away from home and his life changed in a hurry, and Kenji and Natsuko's mother and child began to live together. The lively house suddenly becomes quiet, and Natsuko feels a sense of loss... Seeing her mother like that, Kenji feels frustration and emptiness, and tries to regain his mother's love, which he couldn't monopolize until now.