Seifuku shoujo rezu chikan – Uzuku karada o hiwai na tetsuki de yamitsuki ni naru hodo binkan kaihatsu sarete… Ayame Tozaki Himari Kinoshita

A pure-hearted girl boards a women-only train car, unaware that a predatory lesbian lurks nearby. Without a voice to call for help, she's overwhelmed by fear and shame as her body…