Minaiko, a housewife living in a housing complex with her researcher husband, was frustrated with her husband's neglect of their marital duties due to his work obsession. As she imagined having intense sex with her husband and masturbated to comfort herself, she caught the eye of a middle-aged man standing by the wide-open window. The man apologized sincerely, claiming he meant no harm. Minaiko gradually opened her heart to him. The two, who were never supposed to cross paths, became involved in a passionate affair, sweating profusely, all because of this incident of witnessed self-pleasure…
