"Ghost Killer" stands out as an uncommon supernatural action film coming from Japan. The narrative involves a normal young woman who finds herself inhabited by the spirit of a violent male assassin who was murdered. Initially, this premise might seem intense, but the filmmakers opted for a less severe approach with relatable characters and some humor alongside themes of atonement—and it proves to be an effective combination. The film’s rhythm is also very good, with sequences packed with skillfully staged fights using fists, knives, and firearms. Ultimately, "Ghost Killer" represents supernatural action handled effectively. It's certainly worth watching.

Source on TMDB