"Again "Uh-huh" was all Dustin could say.Monica put his cock back and began to suck Dustin like a woman on a mission. It wasn't long before she felt h...s balls tighten. She pulled his cock out, leaving only the head between her lips. She deftly stroked the shaft and sucked with her mouth. She was rewarded by Dustin's first huge spurt of jizz. As Dustin continued the spurt its load, she fought to keep swallowing fast enough. The warm load coating her throat and filling her belly. Dustin could. "Shit, Mom, I'd love that," he let out, twitching around."Oh, there is your white stuff," I muttered, letting him submerge my boobs. "Give me as much as you gave your sister last night, son. I want it all over my melons."He did not save any of his seed; he just let me have it, and he seemed to love it too. I was sure he wasn't smiling, but his actions said everything. I kept my hands on his cock and felt it cool down somewhat for a couple of minutes.After that, I climbed back on top of him. Thank you," he gratefully said.We talked a little more and out of left field he said, "I have an idea. Why don't you let Justin and Jason do it in your butt? They think you are so hot and it turns me on thinking about them doing you anally."I honestly did a double take and thought I had heard him wrong. "Do what? Did you just say what I thought you said?" I snapped back."Well... yea. What's the big deal? It's not like they'd be fuckin your pussy or anything, plus this would give them a great. " Kate and Deb shared a grin, and then Lynne spoke to the corner of the elevator, "The new term is 'single-sex residence'," and looked back at the other two, momentary embarrassment forgotten.As soon as the elevator opened on the third floor, Lynne bounded ahead. "It's right down here..." and laughing, the two older women followed the excited girl.Once in the small concrete-walled room, Lynne offered seats on the blonde-wood bed and the unoccupied chair. Kate took a quick inventory – off-white.