One night, Seiji brought an unconscious stranger home. Seiji learns of an unusual desire and restrains and confines a woman. The woman's name is Eri. And the crazy life of two people began. At first Seiji was acting as a ruler, but eventually he drowned in the body of a woman, and the relationship reversed. Seiji repeats the wrongdoing like a slave according to Eri's order. In fact, it was an evil human being who was controlling Eri. The purpose is to dye the human soul into evil and take it to hell. And the horror tragedy opens...

Hiroshi Shimazaki, a 35-year-old part-timer living aimlessly in Tokyo after chasing his dreams, suddenly finds his life transformed when he receives the "Gemios Gear," a futuristic device that lets him create and control a real-world avatar. Choosing a handsome man as his avatar, Shimazaki enjoys his altered reality until a global crisis pulls him into an unexpected battle. To confront the danger, he undergoes a two-stage transformation—from his attractive avatar to a full-fledged hero—taking on the challenge of saving the world.