You're a little perv, standing there watching your sister masturbate. But I have to admit, after the initial shock, I actually don't mind it. I offer you a deal: we can sit together and get off, but we cannot touch each other! I am your sister after all. I encourage you to jerk off over me, as I masturbate and moan for you. I ask you to cum on my pussy, then keep this a secret between us. Tags: taboo / roleplay / brother / sister / brother and sister / caught masturbating / mutual masturbation / exhibitionist / voyeur / voyeurism / voyeur fetish / spying / teen / brunette / amateur / masturbating / college / No Nut November / secret / jerk off encouragement / dirty talk / cum on me / JOE