[DVMM-350] Sister and Brother TS Story: When a busty sister and her sexually active brother switch bodies, it's only natural that they'll engage in playuous creampie action! Riho Shishido (Censored)

A younger brother gets his hands on a tool that can make his fantasies come true, but accidentally switches places with his older sister while trying it out! His curiosity about a woman's body for the first time means he can't stop checking her out. The smell, her weakness, how quickly she can urinate from the urge to pee, and especially... the sensitivity of her vagina is dozens of times greater than a man's!? The more he touches her, the wetter she gets, and he masturbates endlessly, experiencing his first orgasm with a man. But he's curious about the man's penis. "I wonder what will happen if I put it in..." And finally...