Discipline Showdown! Win and Breed! Lose and Become a Toy! Battle the three Demon Sisters v1.0 (English, Japanese, Chinese, Korean)

King Leon of Vakarase is searching for a wife who can bear him a strong heir, but no woman in the world is strong enough to match the strongest man alive. One day, the demon army led by three demon sisters conquers the land, leaving Leon as the only human capable of stopping them. He sets out alone to attempt to conquer the towers ruled by the sisters and reclaim his kingdom.​