When I hear for the first time that my sweet step daughter has a new boyfriend, honestly I didn't pay to much attention to this information. But when she starting to saying more and more often that he may be the one....I was start to be curious! And the I get shocked!!! My 18 years old step daughter has a boyfriend much older then she is!!!NO!!! I do not approve this! He is never coming to my house and spent the night with my step daughter! I know very good this kind of type of the ,, guys,,...they want just once....and then when they get IT...they disappear so fast! And I don't want my step daughter to be heartbreak!!! But...it's easier to say then to do! When my step daughter begging me every day to just meet him and then we will see....I couldn't say no to her!......When the BIG day comes....I was pretty sure, he will be just the slizzy jerk!!! .....Looking back the time now......I was so wrong!!! He was very cute for the guy in his age. And he was just a gentleman!!! After a little chat just three of us....I catch my self that I like him a lot....more then step mother suppose to liking her step daughter's boyfriend! I had to stopped my self, I told he could easy be my step SON....gosh!!! But......he was so handsome.....and watching his body.....truly I felt how my pussy getting tickly. As I agree that he can stay here during the night....my step daughter was so happy and run to make the bed for two of them!!! I continue cleaning the kitchen.....but I felt how he is look at me......I could feel his eyes all over me.....I couldn't lie .....it was so strong heat between us.....and when I droop the broom....he jumps to help me and...I could see his pants....so small in that area.....his dick was so swollen.....so hard....And I wanted him right in that moment!!! I start to kissing him so avidly....I didn't care he is the boyfriend of my step daughter! Then I slowly slide down, take out his hard cock from his pants and start to blowing his dick.....showing him what step MOMMY ca do!!! He was enjoy so much my lips and tongue until......my step daughter come back!!! She stopped there, completely in shock!!! But I already decided what will be next step!!! If I was so good step mommy and let my step daughter's boyfriend staying here over night....I disserve some pleasure too! And....finally I can actually teach my step daughter all the naughty staff! How to pleasure the man.....but also...how to receive the pleasure! Everything is my game now.....and I will make sure just three of us will having the greatest night,,,,full of passion!!! And for me....what could be better then to make sure my step daughter get the best lover ....and trying him my self!!!!********And here is the time to testing my step daughter's boyfriend...how good lover he is....and there are some tricks witch she can take from step mommy!!! I'm so glad to giving this sexual lesson to my sweet girl...she can learn how to really explore the sex...the pleasure and the orgasms!!! I think that would be the most perfect threesomes for this young boy!!! THIS PART INCLUDES : FUCKING, THREESOMES, step MOTHER/step SUCKING, PTM, MISSIONARY, DOGGY STYLE, DIRTY TALK, step MOTHER/step DAUGHTER FANTASY, CUMSHOT.