I Am an S+M Writer (2000)
Original title: 不貞の季節
I Am an S+M Writer is a 2000 Japanese-language comedy movie directed by Ryuichi Hiroki, with a running time of 1h 28m. It stars Ren Osugi, Yôko Hoshi and Eri Yamazaki.
Kurosaki is an erotic novelist who uses his editor and a hired model to act out scenarios in his living room to use for inspiration in his writing. His wife Shizuko calls him a pervert but on the inside, she feels physically neglected. She tries to make him jealous, while also going after what she desires with someone else.