A popular documentary series in which Koichi Takahashi, the self-proclaimed ``heart lover of married women,'' filmed his wife's female friend overnight in his room at his place of work, was released from November 2020 to July 2021. - A compilation of 6 works. - A married woman is confused when her landlord comes back after renting a room while he was away. While consulting with the landlord who is an AV director about ways to get out of the couple's rut, she decides to put it into practice and has sex at night and in the morning. - A 240-minute work that includes six married women who have sex with the husbands of their housewife friends in unexpected situations.