A manic cameraman infiltrates "Body," a renowned Kansai-based veteran circle that has garnered online attention by intensely documenting real "adult parties" over an extended period. Inside, skilled swingers appear, creating bizarre scenarios beyond imagination. A novice big-tits office lady, blindfolded, writhes in humiliation as she's tormented with skillful words. Moreover, a shy-looking, loli-faced beauty girl shocks everyone by swallowing every participant. The abnormal developments brought by an abnormally large cock reveal a shocking reality—ordinary people around you indulging in a raw, authentic adult world.