Yuichi was living happy days with his young and beautiful wife, Kaori. However, unbeknownst to Yuichi, an unbelievable act was taking place. It was the forbidden relationship between his wife, Kaori, and their son. Kaori tried to stop her stepson's abnormal behavior due to her guilt towards her husband, but... The young and erect penis used even the guilt towards his father as material for excitement and attacked the voluptuous body of his stepmother…
