Twenty-year-old Atsushi and his seventeen-year-old girlfriend Mari arrive in Tokyo from the suburbs with plans to marry despite their parent's objections but they are soon pulled into the city's dark underside.
Meanwhile, Mari, looking for work, runs into Kana who initiates her into the business of selling tickets to swinger's parties.
[1][2] Other veterans of the adult industry in the film include former AV star Yuri Komuro, playing the part of Miki, as well as actresses Fuka Sakurai (桜井風花)[3] and Yuna Miyazawa (宮澤ゆうな),[4] and AV director Kei Morikawa in small roles.
[6] The movie made its theatrical debut in Japan as ＰＡＩＮ／ペイン on October 27, 2001, at the Nakano Musashino Hall,[7] known for showcasing new Japanese filmmakers.
[10] The film was generally well received by critics, Mark Schilling at the Japan Times Online gives the movie four stars and praises its realistic portrayal of Japan's sex industry[11] while Jasper Sharp calls it "perhaps the most honest and realistic films about the sex industry from the past few years.