I thought maybe we could go together…’ ‘I’m not going’. ‘Yea, well if you change your mind, let me know’. ‘Sure’. Desperate for the ...onversation not to die, Mark searched for more words, ‘Umm, do you, errr… What do you have next?’ Mia looked up at the young boy for a moment then, biting her lip in thought, she shrugged. She flicked through her planner to check her time table. ‘Econ. I have Econ next’, she smiled to herself. Assuming the smile was for him, Mark perked up and asked ‘Is that with. There was no point in thinking about her if nothing would ever come of it. Hell, in the end she was his sister and though Andrew's 18-year body reacted to being within 100 feet of any good-looking female, he knew his boundaries. Besides, despite her teasing, he actually did just fine with girls. He'd even had sex a few times, though if he was perfectly honest none of them had quite the firm abdomen, softly tanned skin, cute face or the extent of any of Abby's genetic make-up. If she wasn't. I just watched, didn't even stroke my cock, it was still quite a happy lad, as I watched them fuck on and on, how Roy could resist her suction pussy was beyond me but, finally he did cum; she'd had a good orgasm just a few minutes before. When he pulled out of her she asked me back over so she could suck my cock which was responding quite well to her oral encouragement. She rolled onto her back and put her arms around her upturned legs, putting her pussy right up high as I crouched over her and. She was changing her clothes I waited a little until she was in her bra and panty.I knock the door and when she open the door she was wearing a towel(may be coz she was in bra and panty only). I tell her I want to discuss something with her she said ok close the door and wait till I change my clothes then started moving towards bathroom. I shut the door grab her from her back.She was shocked and try to get away from me but my hold on her was too heard for her. I am not that king of guy who.