Kyonyuu Kazoku Saimin

Mamiya Yuichi’s father got married again! In the House, three enchanting women appear, the mifuya’s stepmother and her daughters, the eldest Natsuki and the second daughter Akiba. One day, a strange pen falls into Yuichi’s hands, capable of hypnotizing anyone he sets its sights on! If you don’t know what happened, see for yourself.
Hypnosis, aphrodisiac, would do where a girl is seduced.