" In that case, grab a seat." That back-breaking excuse of a chair you have? What are you trying to do, cripple me for life?" Or a piece of carpet. Wh...atever."She sat down lithely beside me, leaning back against the bed. "What chapter are you looking at?" Chapter 13. I'm having problems with angular momentum."The next two hours passed quickly, as study time often does. Shortly after my clock chimed ten, Katie stood up and stretched. "All work and no break makes Katie go insane," she quipped.. As I massaged the oil in he closed his eyes to relax. I worked my way down to his hand which was already quite oily. From where I was I couldn't reach his other arm so I leaned over his chest to get it. As I did this my cock slid lightly across his chest. Both of our cocks were within inches of each other. I took his arm and rubbed the oil into it, and then I moved to his chest.Cassia crawled over to his other side. She saw our cocks and grabbed them both; pulling them together to make a cock. My hands ran expertly over his back and ass cheeks. He moaned softly as my hands worked their way to his throbbing cock and cum filled balls. Abruptly, he withdrew my hands from his hardness and tossed me on the bed! Master spread my legs and began twiddling my clit with his thumb, making the golden bar come to life! While arousing me with his thumb, he began chewing and biting my hardened nipples. I was near orgasm having him bite my most sensitive protruding nubs. Mmm…I murmured, “Please. Me bilkul relax thi aur bhai k garam lund ka sangam apni choot me dekhna chahti thi lekin bhai pasina pasina ho chuka tha.Meri choot ki hole me apni lund ko ghusane me.Uska ye pehla entry tha to dev meri choot me apni garam garam tight lund ko edhar udhar ghusane me paresan tha meri choot me jalan hone lagi es tarah se dev ki harkato se.Kuch hi der me bhai k lund se meri choot k bahar hi raas nikal gae aur bhai udaas ho k apne chhota ho chuke lund ko pakad k apni jeans k andar kar k room se.