A bi-curious girl targets her busty older sister at a campsite despite knowing she has a boyfriend! When they can't use the bathroom, the bi-girl takes advantage of her sister's vulnerability by ambushing her with lesbian sex! She's forced into passionate kisses while her breasts are teased and squeezed until she embarrassingly cums! Naked and exposed, there's nowhere to run as she experiences outdoor humiliation! Her newfound obsession leads her to teach her submissive sister how pleasurable it feels compared to having sex with her boyfriend!