A pre-debut idol unit 'Shitamachi Girls Squad' of three Edo girls belonging to a certain talent agency. For their debut, they were strictly guided by the president, producer, and assistant producer... Of course, this guidance was sexual harassment lessons. Starting with verbal abuse, punishment with electric massagers, and forced sex. Enduring these trials, they finally reached their debut. However, at the time of celebration, drunk men pounced on them, turning it into a massive orgy…
