Ryoujoku Jiken File -File. 1 Renzoku Fujo Shissou Jiken-

There is a series of women disappearances in Tokyo. Investigator Yurina Tachibana is appointed to investigate repeating molester cases on the train that seems to be connected to kidnappings. TV newscaster Miho Shinohara also works on a molester train in pursuit of a scoop. The two girls occasionally meet together and start to unwind this case reaching the very bottom of sex cultist scandal.

[From vndbreview]