big sis talking me into anal because she wants to cum inside me so sooo bad but is scared of getting me pregnant...showing me porn saying look look how good it feels when they do it....gently fingering my asshole to show me how good it feels, telling me to relax and letting her stretch my tight ass....easing her cock into me while i struggle to relax and my breathing becomes irregular....it hurts and feels wrong but im so wet my pussy is practically drooling all over my thighs. big sis bottoming out in me and struggling not to cum at the sight of her little sister under her, face twisted with pain and pleasure, my pussy weeping and clit throbbing, balls deep in my tight hole....big sis slowly fucking my asshole, my pussy aching. she starts rubbing my hard clit and playing with my nipples...i moan, pussy gushing as my older sister rapes my asshole because she cant breed me, cant fill up my pussy with her cum until she can take me to get birth control behind mom's back. big sis kisses me as my body quivers and her thrusts move faster. i tell her to slow down but she pins me down and fucks me deeper...she stuffs her fingers in my little pussy, fucking both my holes...i cry while she forces me to orgasm and she cums inside me, fucking her hips as hard into my ass as she can