Utsuriki wakazuma no amai shitawaza

移り気若妻の熱い舌技

Also known as Utsurigi wakazuma no atsui shita waza

Five years ago, Kenji, her cousin, fell in love with Yoshiko, a bride suffering from pre-wedding jitters. Time passed, and Kenji got a job and was sent to Tokyo on a business trip. There, he found his beloved Yoshiko… Meanwhile, Yoshiko and her husband, Hiroshi, were feeling bored with each other. Hiroshi was enjoying casual sex with prostitutes. As if to fill the void in Yoshiko's heart, the distance between her and the younger Kenji began to shrink…