Sure Death 6 (1996)
Original title: 必殺！ 主水死す
Sure Death 6 is a 1996 Japanese-language action movie directed by Masahisa Sadanaga, with a running time of 1h 40m. It stars Makoto Fujita, Kunihiko Mitamura and Kin Sugai.
When an artist dies, the official cause of death is judged to be a stroke, but his daughter suspects foul play. She recruits the services of an assassin, who by chance encounters an old friend...