Suddenly we hear mom yell from upstairs."Girls?" she shouts. "You need to get those school uniforms off, so theystay clean for school. Get changed now...and no excuses." We both hear momcalling both of us 'girls.' Miley smiles at me in an evil way."Okay mommy, we will!" Miley yells back, before turning to me with thatevil smile. "Turn around Barry, so I can take your school uniform blouseoff."I turn around and feel Miley pulling the blouse off. Miley unzips the backof my skirt - my skirt! - as it. Shirley didn't have her books with her so she occupied her time by working on the computer and interrupting me every thirty minutes to ask if I needed help with any of my subjects. I didn't but I let her help me anyway. She would brush up against me as she explained a theory or principle.That afternoon, about three P.M., there was a knock on the door and Shirley went to answer it. I heard her talking to someone and crept to the bedroom door to hear the conversation."Ralph, how did you know I. "Megan turned red and grinned. "Sorry, I just thought that you wanted to..." I do, but maybe later. We should see what my brother is up to and get some dinner."Megan started to pull her sweatshirt over her head and Kim stopped her. She covered one of her breasts with her mouth and sucked on the nipple. Megan stood still as Kim suckled her nipple and licked around her areola with her tongue.Kim removed her mouth and straightened up. She put her arms around Megan's waist and held her close,. She realized that I am staring at her boobs.By that time I already had a boner and while getting up she was able to see that. She stared at my dick and gave me a seductive look. She was smiling and coming closer to me. It was becoming tough for me to resist with every passing moment. I held her face and gave her a tight smooch.She responded back and held me tight so as I can squeeze the juice of her lips. Suddenly I realized that I am in the office and thought no to take any risk. I whispered.