Kenichi, Yoshimi, Miho, and Hikaru were exposed to the light of the rituals delivered to the Faculty of Archeology. The “mind” and “body” are exchanged, and each other’s hidden desires for the body are embodied, drowning in the pleasures of the body. Pleasure that is repeated many times gradually collapses reason. “I’m the only one who can love my seniors … If I’m a senior, I can give my virginity. If I can’t return to the original world, I want to be held by my seniors as it is …”