We each looked at each other and just smiled as we both had enjoyed what just happened. And then my sister walked into the room.“What the hell is go...ng on here?” Jen shouted.“Don’t worry babe. Your lil bro was just checking me out and wanted to explore some things. No big deal.” Tim said.“No big deal? My little brother just sucked off my fiancé.” Said my sister. “But Jen, look at your brother’s cock. It’s great. Just tell me you don’t want to do stuff with that?” Tim said.“Well…it is nice and. Shortly thereafter she stopped initiating sex and she began to stay late at work a lot more. I thought maybe she was just tired. She turned down my advances, too, particularly when she got home late. Her wardrobe started to change. She wore skirts and dresses a lot more and she got some new bras and panties in black and red, replacing her usual white undies.Last week she came home from work late; about eight PM. She had worn one of her more “brazen” outfits that day; a semi-sheer black blouse. And he told me to get on top of him in 69. But seeing his well sculpted body lying their I decided I wanted to get fucked and fucked right then... I felt like a lil slut. I told him, "No, you can come but only on my face and after you fuck my pretty ass!" He got extremely turned on by this and bent me over on the bed and began lubing me up and fingering me slowly and picking up the pace to an amazing speed... this hurt extremely bad and I knew the dick would hurt more but I just wanted him in. Tina kissed my shoulder and said quietly, “And that, baby, is why I don’t wear a bra to bed. If I really think I should, I will always have a t-shirt or something over the top.”We showered and went to start putting breakfast together. Sunday mornings last term had morphed somewhat with the girls staying over more often. I think Andy and Cara were more comfortable now that she wasn’t the only girlfriend. Not that she ever came across as uncomfortable around us. I found out that she felt like she.