I then slowly bit her nipple…and licked the dark aerola around it… I then reached her hip and removed her petticoat… she was only in a black pan...y… I licked her thighs to her feet… I rotated her body and started to kiss her in her back…. I kissed her ass with the panty… I removed her panty and I saw her naked 38 size ass… I kissed her ass and squeezed it hardly… she was mourning like a prostitute… I opened her ass cracks wide and smelled it… a stench came from her hole…I started to lick her ass. I pumped my fingers in and out for a few more moments which by now she was drippingwet then I pulled them out and put them in her face and said "Look, your so wet, you really are a slut if your getting wet from your own son touching you, now suck your juices off my fingers" and I prompted her by putting my fingers closer to her mouth.She didnt make any movement to take them in her mouth so I grasped her left breast while sitting behind her and squeezed it lightly, but enough to make her gasp. Tomorrow your going to get lucky and feel your big sister up, or more" she smiled with that babydoll smile again. Kirsten had just laid down the time line into her panties, she knew her pussy was mine, but she was a lady and wanted to be treated like a lady, before I deflowered her.I walked her to her bedroom door and I kissed her and pressed her into the wall, her groin hard against my stiff cock and I kissed her with a mixture of teenage lust and love. "Wow, you're such a great kisser now. " He then continued hiking off into the distance, and turned around and waved at me before he was out of sight. I'm not certain, but I'm pretty sure I saw a distinct bulge in his pants when I looked up to wave back. Once he was out of sight and the sound of his footsteps faded into the distance, I breathed a huge sigh of relief and uncrossed my legs, realizing that the crotch of my shorts had gotten soaked by my juices. I knew I should probably get back to the trailhead before I got caught for.