Office Lady Journal: Indecent Relations (ＯＬ日記　猥褻な関係) 49 years old

Roman Porno from 1975.

Credits

Name	Character
Junko Miyashita She was 26, now 75 years old	as Aki Kojima
Kenji Shimamura	as Nomoto
Hiroshi Chō He was 52, 54 years old when he died	as Miyamae
Akira Hanagami	as Satake
Akemi Nijo She was 30, now 79 years old	as Minako Katori

Name	Department
Susumu Saji as Writer. He was 46 (72) years old when He died	Writing
Nobuaki Shirai as Director. He was 39 (now 88) years old	Directing