Despite having interest in women, 38-year-old Nouchi Hisanori is still a virgin due to limited opportunities to meet them. By day, he is employed at an ordinary company, but at night, he thrives as an erotic writer. One evening, he aids a charming lady named Chika who shows gratitude by inviting him to a meal. However, Nouchi is skeptical if Chika may be a young man disguising as a woman.