A common couple in their second year of marriage. One day, my husband's younger brother came to Tokyo. They start to be interested in each other by their brother-in-law, who will live together for a while. The wife, whose husband is in need of sexual impairment, finally has a forbidden relationship. A wife who wakes up instinct of greed while being overwhelmed by sexual skills she has never experienced before. in front of my husband, i was dressed like sadabushi...