m iu (miu arioka), who has been married for 8 years and lives as a full-time housewife. although she was married as if forced by her much older husband, she was spending unfulfilled days without sex. even though she tries to satisfy her desires with her own fingers, it's not enough... at that time, the intercom rings. a man who says he has moved in next door. miu invites him into the house on a whim. the man's job was developing adult goods. miu, who has exploded with desire, repeats orgasms with various sex toys and sex.