At a prestigious university in S-City, there is that one girls' dormitory that secretly fulfills its hobby while facing the challenges of college life. As everyone in the dorm becomes entangled with SM games, the girls explore their boundaries, form unexpected alliances, and discover their hidden sides.

In this world of magical girls, there are always evil organizations causing trouble. When that happens, the magical girls transform and spring into action, their real identities unknown to anyone. However, the evil organization has conjured a wicked magic that can transform various objects into tools for chastisement, and what will the magical girls encounter?

Murphy, a discreet yet formidable alchemist, inherited a distant relative's alchemy workshop one day. It turned out this workshop specialized in crafting restraints. Leveraging the workshop's resources, Murphy established a restraint experience shop. Anyone wishing to experience it could come. Furthermore, becoming a member allowed one to hire Murphy at a premium to bind and discipline others.

Bai Jingyu was bound by the system one day, and needed to travel to various worlds to complete being various kinds of constraints tempering.

Special ability users who resist the giant corporations that dominate Japan. They are weapons without human rights. If captured, they face public execution after torture and humiliation. To change such a world, they endure any humiliation and live in a hellish world. Note: This text is a foreign language translation, requested for publication.

Futaba Takayama, 23, art teacher at a private girls' high school. Caught by a female student after impulsively stealing an erotic novel, she was blackmailed and fell into a trap, plunging into hell. Kidnapped by a large organization and thoroughly humiliated as a slave. Confined and imprisoned, subjected to forced sexual training, auctioned off, and subjected to brutal torture daily. This depicts the image of a female slave enduring shame and blame in a state of despair.

Bundle of incarceration stories containing short stories of each genre, each chapter is a separate piece of content