Exclusive performer Shishido Riho takes on her first NTR title. Troubled by life with her boyfriend, Riho turns to a kind senior coworker for advice, only to be smoothly coaxed into crossing the line. She resists at first but gradually becomes addicted to the stamina and orgasm-inducing technique her boyfriend lacks. He pounds her in folded and doggy-style positions, his cock repeatedly slamming against her huge ass until she arches in orgasm. Riho eagerly returns the favor with her gorgeous G-cup tits and rides him herself. The happy life she and her boyfriend were supposed to share begins to fall apart.