- Country: Japan
- Genres: Comedy, Mystery, Romance
- Release: 2016-08-27
- Director: Yasuo Tsuruhashi
- Writers: Hiroyuki Kurokawa , Yasuo Tsuruhashi
- Language: Japanese
- Stars: Shinobu Otake , Etsushi Toyokawa , Kyoko Hasegawa , Masatō Ibu , Shunsuke Kazama , Asami Mizukawa , Leo Morimoto , Naomasa Musaka , Masatoshi Nagase , Machiko Ono
- Runtime: 127 min
- Awards: 1 win & 1 nomination
- AKA: 後妻業の女 (Japan) , Black Widow Business (Singapore) , Black Widow Business (United Kingdom) , Black Widow Business (United States of America) , Gosaigyô no Onna , Black Widow Business
- Plot:
Kozo Nakase attends meetings for single widowers looking to remarry. He meets Sayoko Takeuchi and eventually marries her. Not longer after their marriage, Kozo Nakase suddenly collapses and dies. Kozo Nakase leaves everything to Sayako. The rest of his family are left out of his will including his daughter Tomomi. Tomomi hires a private investigator, Honda, to find out more about Sayoko.
- IMDB:tt4920094
Gosaigyô Cast · · · ALL
Yasuo Tsuruhashi
Director
Shinobu Otake
Sayoko Takeuchi
Etsushi Toyokawa
Toru Kashiwagi
Tsurube Shôfukutei
Kiharu Funayama
Masahiko Tsugawa
Kozo Nakase
Machiko Ono
Tomomi Nakase
Masatoshi Nagase
Yoshinori Honda
Kyoko Hasegawa
Naoko Nishiki
Asami Mizukawa
Mayumi Miyoshi
Shunsuke Kazama
Hiroshi
Kimiko Yo
Eiko Segawa
Mimura
Kayo Takeuchi
Asuka Hinoi
Risa Sugimura
Zen Kajihara
Konosuke Okumoto
Naomasa Musaka
Hideo Motoki
Leo Morimoto
Taiji Tsumura
Masatō Ibu
Sojiro Takeuchi
Shigeru Izumiya
Chojiro Kashimoto
Akira Emoto
Jun Sakurada