Itsuka Dareka ga Korosareru (1984)

Itsuka Dareka ga Korosareru 1984 / いつか誰かが殺される 1984 / Someday, Someone Will Be Killed

While trying to search for her missing father, Atsuko Moriya meets a group of outcasts that help her. Having only an encrypted disk in her possession and while being chased by unknown people, Atsuko tries to solve the mystery of her family origins. (Source: IMDb)