I said I'd go up to start and that Denise would wait until Stevens made it clear how she intended to use us."The first thing I need is for you to demo...strate an erection," she said, "so you need to take those tights off and get an erection." Medically I'm unable to do so; I'm sorry." Gasps from the class. "I wish it weren't so." Take the shorts off and I'll make sure you do get one," she said, angrily."Ok, that's it," I said. "You've lost your chance for any demonstrations from either of us,". ‘No, even though I turned nineteen they don’t want to leave me alone with boys or men now,’ she laughed. ‘Rob, this is going to be very hard for me to ask but I like you a lot.’ ‘I like you too …’ ‘Please let me finish. I’m a virgin going off to college and I don’t want to be. Would you have sex we me? I want to lose my virginity to someone I care for and I believe you would be gentle.’ To say I was lost for words would be an understatement. I stood up and took her hand and pulled her to me. We. Already drenched in mixed Human and Canine secretions I broke out in a fresh sweat as the fear took hold of me that Kings titanic fuck-plug would not stop growing and might split me apart if it continued. My fear seemed justified knowing my pussy-mouth was parting even wider from the now unstoppable inflating softball sized stone, crushing my prostate and swelling big my rounded ‘taint. My heart thundered in my ears as I knew the Monster contained in me was threatening to erupt my asshole open. After a minute or so I put down the towel. With an exaggerated wiggle of my hips I walked over to the light switch near the door and turned off the light.I quickly ran back to the edge of my bed to watch what he was doing. In the mirror I saw that he was leaning against the wall and was really jacking off. I watched him stroking until I heard a soft grunt, saw his hips thrust forward and cum shoot out. As he was cleaning himself up with a tissue, the light in the room beside his came on..