Lured by a high-paying part-time job offered by her art club advisor, a young girl follows the invitation and enters a mysterious mansion. However, she is drugged and loses consciousness. When she wakes up, she finds herself in an underground dungeon. There, a group of obsessive individuals with extremely unique tastes has gathered, calling themselves the "Aesthetic Club." The innocent, hardworking girl in her school uniform is immediately bound and suspended, subjected to brutal and sadistic training. Through this process, she is exposed to a twisted, perverted structure of love so extreme that it challenges her very sense of self, gradually becoming immersed in their dark world.