Looking up I stroke your shaft with one hand while I tease the tip with my tongue. Moving to massage your balls I slide my mouth down to your base, mo...ning as your hand squeezes my breast. Gliding my mouth along your hard shaft I hear your breathing quicken as your hand drops away. Increasing my pace I drop my hand and slip a finger into my pussy matching therhythm of my mouth. With every moan that escapes my lips I feel your legs tremble slightly. "Cum while you suck me." you growl. Looking up. "What is the purpose of all these restraints, all these visors, and the clear plastic domes?" The clear plastic dome is to keep their space draft free and temperature and humidity controlled. That way we don't have to give them clothing blankets or sheets for reasons of comfort or health. It also means that we can observe them 24/7 without their having any privacy. We do not allow them to masturbate on this floor. It is all part of their training that they are no longer masters or mistresses of. Her nipples sticking out enticing me to carry on sucking but I had my eye on another target. I ran my finger lightly over her mound and I could feel the wetness leaking out. Finding her slit I located her clit and rubbed it lightly while kissing and licking her belly button. She started to shudder and her legs started to shake and she suddenly erupted shouting and moaning very load which took me by surprise and bloody glad I was that the house was empty. We changed places and Linda laid on the. Oh shit..."Still, I couldn't bring myself to interfere. Inexplicably, I found myself hard as a rock watching the scene unfold inside on the couch.I could see that the tit sucking was beginning to get to my daughter, as her eyes finally rolled back into her head and she seemed to suck in her breath while her boyfriend sucked in her nipple. She no longer pushed his face away, but just cradled it there, frozen, with her lips formed into a perfect "O" as he moaned and licked away.Tony broke contact.