All my life growing up I felt bad for my dad, because my mom leave him when We were 2, cause of us she said " I ain't able with those crying children ," , so my dad raise us alone , working hard to provide for two children , Now it's our 18 birthday next weekend and I want to give my dad something to show how much We love him , I have been noticing how my dad looks at my ass and my sister tits when he think no one is looking , But first I have to convince Kim , One night late I knocked on her door, "what nerd" she said " I ah am wanted to ask you something " , " spit it out" My sister don't have time for small talk ,she just say what's on her mine and don't care how you feel after, So I started , " you see I want to do something special for dad , on our birthday " " what's that ?," I blushed hard and look at the floor, " I ah-want to ah-let him fuck me " " w what the fuck Tim", She look at her door , guessing she didn't want dad to hear , I don't think she know he's not home , " w what , ? dad gone to the store " " he's our dad how do you know he's going to want that ,?" She ask " cause I see him looking at my ass and your tits, when he think no ones watching " I said " ok so why are you telling me this ,?" I just look at the floor again , I can feel my face getting hot with embarrassment, " holy fuck , your a virgin, " laughing she said " what a nerd, I lost my at 14 -to my math teacher, get me an easy A ," I smile cause that my sister, "So would you help me " She start taking off her clothes " what are you doing "?, " lay on the bed now " I don't know why but I didn't And she smile " you like being ordered around, sweet, take off your clothes fast" Then she sat on my face and said "suck my pussy cockold " What's a cockold? I wanted to know but didn't ask and just suck her pussy " I'm going to piss and your going to swallow all " w what the fuck , I started to push her off me but she press down and said " do it right fucking now " and just like that i did , what the fuck !! Why do I like this ? and when she was finish I resumed sucking, I felt something wet on my cock so my eyes open wide , then a hand on my stomach and I knew that hand it was dad , he was home and wasn't mad , then I felt a finger at my Asshole and then his voice saying " relax son" That make Kim jump and said " d dad " " it's ok Kim I'm not mad , " then he start sucking her hard nipple in his mouth, and jerking me off at the same time " aaa ooo dad I'm coming " he grab my sister head and force it to my cock and say " swallow it all " it felt so good then I came so hard , when I open my eyes my dad was naked forcing Kim head towards his 9 1/2inch cock, holy fuck that's big , " that's right Kim I know your a cock slut , but your my cock slut now , " and he fuck her face so hard ,her eyes was running water , "sit on the floor boy, and Lean back your head on the bed " he pull Kim by her hair and told her "knee over his face on the edge of the bed so He could eat that pussy good "so I eat , I lick , I suck and I finger fuck her , dad slap her ass , " how many men had that ass and when was the last time "?? " a lot daddy, and today in school " " good cause I'm not going to be gentle , Tim stick a finger in her asshold ,so it's a little tight for me " I did and felt dad cock enter her with one hard ram, Kim cry out " aaaa oooo daddy " " that's it slut let daddy fuck that asshole " " I'm so full" she said " not yet , Tim lay on the bed under your sister and push that nice cock in her pussy," I hear my sister say " o fuck " And so I did and I fuck her matching daddy paste, and it was so good she cry , daddy slap her ass I suck her tits , soon I was coming and I told dad and he said me too, me too Kim say we fuck till we cum , then dad told me "to eat the cum out her ass and pussy ", my mouth fell open " now " he said leaving no room for argument, so I did and I like it my sister pass out when dad flip me over and put his cock in my mouth and started to fuck my face I love it my cock was so hard already and my eyes was watering, he then laying me down and stick his finger in my ass I cry out " shhh shhh " he said wild he work another finger in my ass , it burns a lot but then my dad hit something and I started to moan so load then he was in my face saing "relax for me , I'm sorry but I want to fuck you so bad , it's going to be a little painful at first, ok ?," I nod and my dad kiss me a real kiss, then he enter me I started to cry and he kiss my tears away then I started to enjoy it and when I moan my dad lost it , and flip me over and Ram his cock in my tight little Asshole with out mercy I loved the burn ,I came again and my dad did too with that , he said "sit on the slut face so she can clean your Asshole " " but she sleeping dad " " do it now " he said And when my Asshole was by her mouth dad ram 2 finger roughly in her pussy and her eyes shoot open " clean his Asshole slut," I smile at her wild she slurp, Added by Als