Nureta kuchibiru: Shinayaka ni atsuku

Original title: 濡れた唇　しなやかに熱く

Michio, a screenwriter, meets Reiko, an office worker, by chance. Reiko, feeling desperate after being toyed with by her boss, is drinking at a bar when Michio happens to come in. Reiko invites Michio, who has driven her home, to have sex with her...