MY GIRLFRIEND IS A SERIAL KILLER (2019)

Movie: My Girlfriend is a Serial Killer (English title) / Love and Murder of Sheep and Wolf (literal title) Romaji: Hitsuji to Okami no Koi to Satsujin. Japanese: 羊とオオカミの恋と殺人 Director: Kayoko Asakura. Writer: Rahson (manga), Izumi Takahashi.