W Kani-basami Omammam-hold Rezu Densha: Toshokan de Hataraku Kurokami Bishojo ga Onaji Sharyo de Guzen Deatta Gyaru Couple no Futomono ni Hasamare Miugoki ga Torenai Jokyo de Hasamiuchi Rez Kaihatsu Sareta. Hikaru Minazuki × Mito Wakui × Monaka Odogawa

Hikaru, a cheerful librarian, catches the eye of a lesbian gyaru couple, Mito and Monaka, on her train commute. Determined to seduce her, they begin to grope each other's breasts…