The Gun (2018)
Original title: 銃
The Gun is a 2018 Japanese-language drama movie directed by Masaharu Take, with a running time of 1h 38m. It stars Nijiro Murakami, Alice Hirose and Lily Franky.
An aimless college student comes upon the aftermath of a murder scene one night, and without thinking, grabs the titular weapon. He takes it home and keeps it safely hidden away, but curiosity gradually begins to consume him.