Rin, who has a bad record and is promiscuous, was sent to her relatives' house and ordered not to go out. Rin, who desperately wants to go out to play, first relentlessly seduces her uncle with erotic moves, puts on a night show, displays masturbation, and makes his erect penis reach orgasm in her vagina. She also sucks the second son's giant penis dry, and is brought to continuous orgasms by the sex of the eldest son, who has an enormous penis like a beast, breaking her waist, getting hooked on the pleasure she tastes for the first time…
