A young wife, Nao, offers exchange conditions to Mirei, a saleswoman who enthusiastically recommends insurance. - Mirei, who desperately wanted a contract, had no choice but to accept the terms. - The first kiss between women, the first sexual act... Mirei's body trembles with the pleasure! - Completely addicted, Mirei visits Nao's house every day, devours pleasure, and indulges in acts.