Do you know about the "world without guilt"? In this world, people enjoy sex as naturally and routinely as breathing. Whether at work or at home, it's normal to have sex with anyone—equal opportunities, hot orgasms, and frequent creampie pleasures are part of everyday life. Today, we introduce the daily life of "one family" where having sex with anyone—be it the son's teacher, the husband's subordinate, or a passenger met on the train—is completely ordinary. Witness the shocking, bizarre reality hidden within their everyday existence.