Stepmom fingers my ass

Step-Mom fingers her step-son's ass as she strokes a big load out of her boy's big cock! I don't know what the obsession is but I can't stop following my step mom around the house. I have to be near her. My step-dad really scored when he married her and I secretly wish they were only dating instead of married so that I may have a chance to swoon her away from him. I know I'm just a young guy who's barely legal but I know a great woman when I see her and my step mom is the best. I was heading out to the pool today and caught her from the corner of my eye as she was digging in her garden. She was bent over in her tight shorts with her round ass moving up and down. I could hardly contain myself and felt my erection immediately. I moved closer to her without knowing what I would say if she noticed me, which she did. Not only did she notice me and scold me for creeping up on her but she was aghast at the bulge in my pants in knowing it was there because of her. She became disgruntled and said we had to talk inside the house and straighten out my obsession with her. I didn't know what to expect as I followed her to the bedroom where she instructed me to lie down on the bed. What ever she had planned she said I could not tell my step-dad. As she placed her hand on my crotch and felt my hard on she said she was going to take care of this and then we would never speak of it again. She then said my dick was bigger than my step-father's. What am I supposed to do with that information? I just laid still as she took control of my raging hard on. She placed my shaft in between her gorgeous tits and fucked my dick. She kept saying how big my dick is. I may have a chance after all to do what I would really like to do to her. She showed me her perfectly shaped pussy then went to work on my cock with great enthusiasm. I thought I was going to spew my load when she got completely naked for me. She played with my balls and jerked away telling me how sexy I am. I wanted her slip her tiny slit on my dick so I could spread her pussy lips wide. Instead, she said she was going to do something to me that most men like and proceeded to slide one of her fingers in my ass hole. I've never felt anything like that before as I've always felt my hole was an exit only but I have to admit it felt really fucken good to have her finger moving around inside me. She said she was tickling my prostrate. I don't know if she was for sure but I didn't want her to stop jerking me off until I drained my balls for her. She called me a dirty boy as she wiped my cum from her hand and exclaimed she had to get back to her gardening. I was dizzy from such an intense release and even though she said I had to stop spying on her I wouldn't be able to stop, not after an experience like she just gave me. Maybe so long as I let her slide her finger in my ass I might get a turn to slide my manhood inside her.