The world of Goddess Ueros. Men can only get sexually aroused once or twice per month. But both men and women receive the Goddess's blessing through sexual intercourse. Women would receive strength and beauty while Men would receive fortunes from the God

Yoh Nigorikawa's life was positioned at the lowest depth of the society. At the academy he was an attendant of a special-student. At the evil organization Demonia PPO he was an underling who had to do chores every day. He was surrounded by the huge breast