Hahaoya Saimin Nikki -Shiratsuka Emi no Baai- by Bitter half - Adult Sex Game

The main character lives with his stepmother, Shiratsuka Amy, his father's second wife. He hates her. And uses hypnosis to keep her under his control. He loves to play with his stepmother's voluptuous body. "We are family!" At first the stepmother feels hatred and anger toward him, but gradually, act by act, she learns true pleasure. The hero gives Amy various orders. And when her father discovers her foolishness... decides to hypnotize him as well.