[Mosaic removal] Sanae (Usui Saryu) is a beautiful but masculine mother.Her father, Yuichi, was away from home, and her son, Keisuke, was Sanae's caretaker.Sanae loves alcohol and drinks it every night, but when she gets drunk, she falls asleep right away.She doesn't wake up once she sleeps! !One day, Sanae misunderstood Keisuke as Yuichi and attacked him.The feeling of a woman's hole that she experiences for the first time... Then, when Sanae sleeps, it becomes Keisuke's new daily routine to secretly cum inside her mother's woman's sperm.