Your girlfriend tended to dress just as sexy as you did, teasing the boys at school I presumed.  I was pleased that you would both rather spend your time hanging out at our home every chance you could get.  I either had better food in the cupboards or you just felt more comfortable here.  The only problem I had as you grew up together was my inability to get the forbidden thoughts out of my mind.  It was your fault, you both were so beautiful and playful around me.   I did my best to be focused on some task when you would bounce through the house together.   My eyes wander, I can’t help it.  Tight little bodies, firm tits, and delicious butts.   I spend my nights stroking to the thoughts of you both being more than friends.  I dream of you both calling our for me.  Sick, perverted old man.  

I could of sworn you caught me a few times looking, I know damn well your friend had.  Oh how you both must giggle about it.  I see the look in her eyes, she is the naughty one, she probably teases you about your dirty old man and you just gag and change the subject.  Well today at work I see a normal text saying she is coming for dinner and with it friday she will probably stay over watching movies.  I agree but warn you I will be late but tell you there is money on the counter for pizza.  The afternoon and early night slip away and as I finally get home the house is dark.  Hmmmm why are you not in the living room watching movies.  I lock up and set down my keys walking upstairs to get a shower and crash.   Your room light is on under the door and music is playing so I guess you are already past movie time and are in bed together.  That little ache stirs in me as I adjust my stiffening cock and step into my room finding you both laying on my bed.  “welcome home daddy” you say as you are both smiling with me a bit red handed.  I act like I am brushing off my slacks as I ask what you are doing in my room.  “My bed is just to small and we hoped we could sleep in here.” I smile and tell you its fine, trying to ignore the fact you are in just underwear for bed.  “Sure thing baby I will just crash on the couch.” 

I start to rummage in my dresser as I heard you both “Thank you daddy.” Now I can tell you that may of been one of the sexiest things I have heard in awhile and now there was no doubt I was aroused.  I just turned with a smile to see you running your hand over her butt.  Why would you do that in front of me?  Then your friend adds “Well her bed is just to small for you to join us tonight” with a wicked little grin she slips off her bra.  Her nipples tight as I turn and watch.  They you slip off yours “Yes daddy please, you are so loving and we know you think about us, we hear you sometimes at night when she is over.”  You tug on her panties to expose her little bottom.  “Its ok if you want to be inside her first, she really wants to feel it in her and so do I.  Welcome home daddy.”