One day, Nozomi, a wife who lives with her husband in a company dormitory, is invited to a home party by her boss, Kono. The party is proceeding in a peaceful atmosphere, but when Kono and Nozomi suddenly leave the table... she finds her husband having sex with the boss's wife. Nozomi is so shocked that she can't make a sound, but Kono, who has known about his wife's affair for some time, is excited by the idea of being cuckolded and pushes her down. The abnormal situation of being raped while her husband is having sex with another woman makes Nozomi's body become extremely excited...