I'm Her Big Sister, So I Won't Cheat On Her." During A Hot Spring Trip With Her And Three Others, She Seduces Me By Showing Her Big Tits In Full Motherhood! Fumika Kashiwagi, The Girl Who Was Ntr'd In Reverse, Right In Front Of Her (2025)

Fumika Kashiwagi, an older sister, finds herself in a compromising situation with Takeshi, a male companion, during a hot spring trip with her younger sister Kana and others. As Fumika seduces Takeshi by showing off her large breasts, she reassures him that it's not cheating since she's his sister's sister. Takeshi gives in to Fumika's advances, and they engage in intimate activities, including titjobs and eventually, intercourse. The central kink of this scene revolves around the taboo nature of their relationship, with Fumika being the older sister of Takeshi's initial interest, Kana.