Anejiru [OVA]

Because of some reason, Shirakawa Yu has been living with his grandparents, but he is supposed to live with his mother after an interval of more than ten years with her new husband, that is, his father-in-law. There, his sisters-in-law, Shirakaw Kyoko, Ryoko, Anzu, who has grown to be very beautiful women, are waiting for him. The sisters welcomed him, and let him use the room of the father who is always absent because of his archeological study. In the room, he finds a queer jar. It is a cursed jar that will cast him the worst curse unless he collects woman’s love juice within a limited period.