Taboo (1997)
Original title: タブー･赫いためいき
Taboo is a 1997 Japanese-language movie directed by Yutaka Kohira, with a running time of 1h 31m. It stars Noriko Hamada, Eisaku Shindo and Yôji Matsuki.
Kiriu believes Miki is the ideal woman he's been looking for, but she's already taken. Kiriu's chance comes when Miki's husband dies of cancer. However, to get his dream lady, Kiriu must have sex with Miki in front of her late husband's coffin on the day of the funeral!