Jukujo virgin: Momarete Minato-chô (2017)

Kazuko (Yuko Shiraki), a 35-year-old virgin, lonely and very newbie, was watching and drawing Asuka (Ai Tsukimoto), a young college girl, while she was having sex with a stranger on a beach. Asuka, who is incessantly breaking the rules by entering a website to share intimate videos.