Naho, a wife with a happy relationship with her husband, feels happy every day that she is loved. However, her peaceful daily life is shattered when her husband's boss, Shimamura, suddenly visits her. Shimamura tells Naho about her husband Yasuaki's misconduct and forces her to do as he says... Since then, during the day when her husband is not around, Shimamura plays with her body, a horrible daily routine. Feeling that she has reached her limit with the constant blaming every day, Naho finally makes up her mind and tells Yasuaki everything...