I'm Fucking My Girlfriend's Mom Behind My Girlfriend's Back... Rieko Hiraoka

Rieko Hiraoka plays the role of a single mother who gets involved with her daughter's boyfriend, Hiroshi, behind her daughter's back. Hiroshi engages in a clandestine sexual relationship with Rieko, his girlfriend's mother. The central kink of this movie revolves around the taboo and secretive nature of their affair, exploring the complexities of a cheating boyfriend and the desires of an older woman.