Three days went by without anything happening, the event was very busy those days so I hand my hands filled. On the fourth day it was slow and I was volunteering without my girlfriend that day, she had a event a work that she had to be at. Seeing I was alone and it was still earlier on in the event my cheating partner approached me and struck up a conversation. She asked if I could help her get something inside, she gave me a wink I knew she wanted a little more then help. I agreed and we went inside.
We made our way down to room where we have done everything so far, as soon as we got in she locked the door behind us. I jokingly asked her what she needed help we, which she responded with she was lacking vitamin D and wondered if I could give her some. I laughed and told her I would be happy to help and undid my pants, I stood there in my boxers with my erection slowly growing. She approached me slowly, she was wearing a t-shirt and something close to booty shorts; the shorts really showed off her ass. She got on her knees and pulled my boxers down freeing my erection. She started to give me another amazing bj teasing the tip, going fast then slowly really taking her time enjoying this but I couldn’t take my eyes off her ass in those shorts. She must have noticed me paying attention to something else and asked me if I saw anything I liked, I told her I couldn’t take my eyes off her ass and how sexy the shorts made her ass look.