Hypnotize the Family / Kyonyuu Kazoku Saimin

The main character of the hentai Mamiya Yuichi is a simple, unremarkable young man, but right now he has not the most pleasant changes in his life. He has to move to live in his father's house, who has a new wife with two adult daughters. Soon the father went on a business trip abroad, leaving Yuichi alone with his new family. It's time for the revenge plan to come true, and he buys a pointer, capable of hypnotizing whoever it hits. The first on whom he decides to test the gadget became the mother of the family Mifuyu, and then her daughters Akiha and Natsuki...