After Party Surprise

My friends daughter was having her 18th Birthday in the Bar close to my house and everything was going well until being a typical teenager she drank a few sneaky shots and had gotten drunk . I was standing outside smoking when her Mom and Aunt carried her out and asked me to phone a cab when the cab arrived the driver said No way she'll be sick in my cab no way and drove off so I said here let her sleep it off in my spare bedroom and handed her aunt my keys and went back inside to the party . Later after the party when I got home I stripped off in my bedroom and went to the bathroom I heard a noise and thought fucking burglars so when I saw a figure in the dark on the landing I grabbed hold and switched on the light and was shocked to see her standing in her bra & panties and she hugged me saying uncle B you scared me and I said Kim I totally forgot that you were here then I realized I was naked and I tried to cover myself and said its late you better go back to bed and she stared at me for a second and said okay and walked into my bedroom I walked in behind her saying no no not in here and she turned around taking off her bra she said I know you want me in here I can see that you do and her tiny hand reached out and took my hand away from my cock to reveal that I was starting to get hard I couldn't think of what to say and I just stood for a minute looking at this beautiful petite blonde with her small pert breasts . I pulled her towards me and kissed her and I felt her tremble as my cock brushed against the inside of her leg and my hands ran down her back to her tiny ass and squeezed it then I felt her hand stroking my cock and I put a hand on the top of her head and pressed down and quick as a flash she was on her knees in front of me suck hard on my cock and I could tell right away that she'd never sucked cock before so I held her head and slow down not so fast and she looked up at me with her big brown eyes and started suck again all the while staring at me as she explored my with her little tongue then she surprised by taking all of my cock into her mouth without gagging and when she did it again I almost came