Azusa Konno is a high school girl who is the manager of a dilapidated wooden apartment with no bath and a shared toilet. Hiroki Moriyama, the only resident of the apartment, harbors a twisted sense of love. Once the residents are gone, the apartments will be demolished. Azusa wants to protect the apartment full of memories at all costs. Moriyama learns of this and instead of staying in the apartment, he imposes her despicable conditions on her! Azusa is forced to engage in abnormal and perverted play that would be unimaginable under normal circumstances, and her body and soul become a slave to her sexual desires.