My Parents' House Was In A Blaze... I, The Unscrupulous One, Lusted After My Mother-in-law Who Was Evacuating Naked. Maki Tomoda

College student Shinji is staying at his father Koji and stepmother Maki's home for a job interview. Maki married Koji a year ago... The loving couple has one flaw: they are 'very clumsy.' During Shinji's stay, Koji causes a fire by carelessly discarding a cigarette, and Maki leaves an iron on. Panicked, Maki runs out of the house naked. Shinji makes his naked stepmother sit seiza and scolds her, but quickly gets an erection from her lewd naked body. Losing control, Shinji pushes down the naked Maki...