[F4M][Improv][Incest][Brother/Sister][Big Brother][Little Sister][backseat flirting][car ride][Gas Station Bathroom Sex][Handjob][Blowjob][Deepthroat][Oral Creampie][Bratty/Teasing][Exhibitionism(light)][Roadtrip][Public Bathroom Sex]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Improv by Sunshine (me!) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ your little sister comes to check on you after you return from your ski trip and catches you masturbating rather than unpacking your suitcase. She takes over the work of your left hand while teasing you about all of the naughty things you did on the way to the mountain.