"It's Just Going To Be This One Time... Okay?" While My Wife Was Away, I Spent 4 Days And 3 Nights Secretly Fucking My Stepmom Sayako Sanada

With his wife Kaori away on an extended business trip, Yusuke finds himself living alone for a while. His mother-in-law Sayako, asked by Kaori to look after him, comes to visit. Unlike his workaholic wife, Sayako's nurturing kindness and mature body arouse Yusuke, and he asks her to help him with his sexual needs... Unable to suppress her arousal at her son-in-law's sturdy manhood, Sayako lets herself be swept away and makes him ejaculate. But her body, craving pleasure, shatters her reason, and she easily crosses the forbidden line...