At first, I thought I was in trouble or it was some sort of intervention. I sat down on a beanbag still wearing my leotard with my leggings on top ( j...st so my dad wouldn't complain about me wearing nothing but my leotard again) my dad then announced that him and my mum would be taking a weekend away to visit my mum's parents who lived in the south, stating that they would leave early Friday morning and wouldn't be back till Monday evening.I saw my brother and sister smiling at each other and. I like it in my arse hole!” Soon she was sitting on me with my cock in her shit chute as I fingered her pussy which she enjoyed very much, but when I was on the point of cumming she climbed off, pulled my cock close to her face, opened her mouth wide and jerked my prick frantically till I once again shot my load, this time letting most go down her throat, other spurts on her cheeks, neck and lovely titties. As a finale she licked me clean then scooped my cum off her body and gulped it all down. You know... everything. What did Alexa's dad say?" He didn't say much while I was there. He said he wanted to talk to Alexa alone, so I left, and then I texted you. So, what else?" Like I said, Lizzie. We talked about everything that's been happening in the last few days." You mean, you talked about me, and you, and Mr. S? That everything?" Yes. I'm sorry, Lizzie. I really didn't mean to. But she was just so nice, and I had so much on my mind. We talked about school, my future, and eventually. We made our way upstairs, and after showering (separately), we piled into the bed for a sexy romp.Without formally discussing it, we had formed a thruple. While Louisa still had her own place, she spent nearly every weekend with us, from Friday evening though Sunday evening. She even kept some of her office attire at our house in case she stayed over Sunday night.We knew it was time to really talk about what we were doing one Saturday night as we were lying in bed with Louisa between us.She.