The series follows newlyweds Yuuko Mizuyama and her husband as they move into a new apartment complex, hoping for a fresh start. [1] Their idyllic expectations are shattered when they discover their friendly neighbors are part of a swingers' club, regularly hosting depraved orgies. [1] Initially hesitant, Yuuko's husband is quickly persuaded to join the debauchery. Soon after, Yuuko herself is drawn into the complex's culture of unrestrained pleasure-seeking. The story chronicles her transformation as she explores her deepest sexual boundaries, eagerly participating in hardcore group sex, double penetration, and intense anal encounters with the building's residents. She sheds her inhibitions, fully embracing a lifestyle of hedonism and becoming a willing slave to her newfound carnal addictions, constantly craving the next sordid climax.