In the lounge area outside the cubicles I picked a clean lab coat off a hook and slipped it on over my smooth naked body. Nudity is fine, but clothing has its purposes, not the least of which is to provide pockets for notebooks, pencils, and so on. I scribbled a brief note about Andy's progress; he had honestly admitted his desire to see my body and had made an effort to masturbate while I watched. He still had some hope of success in my class, although he was a hair's-breadth from expulsion.
I slipped into the next cubicle. Anna was leaning back against one arm of the sofa, her legs spread wantonly. She was fingering her curly-haired pussy while James, on the other end of the couch, bent forward in intent observation. They both froze when they noticed my presence.
"Please continue," I said pleasantly, making another note. As I had expected, Anna was nearly naked, her skirt bunched up around her waist and her blouse open to display her white breasts. James was still fully clothed.
Anna mumbled apologetically, "I was just showing James what feels good to my pussy...."
"Excellent," I said. "That was the assignment, or part of it anyway. Did James show you how he likes to please himself?"
"Not yet," Anna said, her disappointment evident on her broad, friendly face. "He says he's nervous about taking his clothes off in front of me."
"Let's try this," I suggested. "It might help James warm up if you sat closer together." They slid slightly closer to the center of the couch. "Closer still," I prompted. They moved again until they were sitting in close proximity, ignoring each other studiously. "You remind me of strangers forced to share a seat on the bus," I said. "Act like you like each other at least a little."
Anna leaned her head back and rested it on James' shoulder. She placed one plump hand on his thigh and rubbed it encouragingly. James' hands fluttered like nervous birds. "Put one arm around her, James. That's good. Anna, would you mind if James touched your breast with his other hand?"
Anna shook her head, smiling. James' shaking hand hovered over her alabaster breast, then settled onto it tentatively. As he gathered his courage, he homed in on her light pink nipple and squeezed it gently. They both moaned, then looked into each other's eyes and giggled.
"You're both too silly," I reprimanded. "Let's move on to another exercise for a moment." Usually I consider erotic kissing to be a more advanced exercise than self-stimulation, but in this case.... "Anna, lean back in James' arms. Make him hold you. That's it." Anna lay back in James' arms, her charming semi-nude body across his lap. "What does this make you want to do, James?" I was hoping he would not say "run away."
"Kiss her," he whispered hoarsely.
"Excellent instincts, James!" I congratulated him. "Would you mind if he kissed you, Anna?"
"I would like it a lot," Anna murmured.
"So do it, James," I prompted. James lowered his head and grazed Anna's forehead with his lips. They both looked at me for approval. "Not exactly what I had in mind," I said. "But it's a start. You can --" I hesitated. Perhaps James' instincts were not to be ignored. If he had never kissed a girl before, he should be allowed to reach this goal slowly. "You can now examine Anna's face with your lips and your fingers, James," I told him gently. "See how she feels. See how she tastes. And note her responses and go with them."
I noted the frustrated tension in Anna's posture. She had probably been looking forward to her first close-up view of a horny cock. "You have a big responsibility here, Anna. You must help James learn how to kiss. It is a very important skill. I assume that you have some experience in that area yourself?"
Anna grinned. "I know how I like it," she said.
"That will do for a start," I said. "James may not be ready to show you how he masturbates just yet, but you may play with your pussy while he kisses you. This will help him get used to the idea."
In the next cubicle, I found Jason and Cynthia stark naked, their clothes strewn around as if they had been in a hurry to get rid of them. They sat side by side on the couch, their legs spread in front of them, eyes closed and masturbating furiously. If I was not mistaken, and I seldom am, Jason was very close to coming, and Cynthia was not far behind.
"Time for a break," I chirped mischievously. They both squealed with humiliation and stopped what they were doing. "Looks like you're both moving along nicely," I told them. "But I would like you to observe each other, particularly as you approach orgasm. Turn to face each other now. You may each lean back against the opposite ends of the couch. Perfect. Now bring your legs up...if your feet touch you may transmit some of what you are feeling to your partner. Good. Now resume, slowly. And do not close your eyes."
Jason went back to steadily stroking his thickly-veined cock, while Cynthia's slim fingers massaged her tiny pink clit. "Try to hold your pussy open with your other hand so he can see better," I suggested. She blushed but pulled her pussy lips agape. Her little blond snatch was definitely juicy. I picked up a tube of K-Y and squeezed a generous dollop onto the purple head of Jason's circumcised cock. "Keep it lubricated, Jason. You don't want it to get sore, because you will be using it a lot from now on. Now tell Cynthia what you are feeling."
"I, uh, oh god, I feel like there's a spring winding up inside me, gets tighter every time I slide my hand over the head of my cock," Jason groaned. "I feel like my come is boiling in my balls, about to explode...."
"How about you, Cindy?" I asked her.
"I'm so hot," Cynthia whimpered. "Hot and cold at the same time, somehow. And it's like there is electricity sparking between my nipples and running down into my pussy. My pussy is so slippery...it never feels this wet when I'm by myself. And it's like there's a big empty space opening up inside my pussy. Like I want something to be in there, in me...."
Cindy's monologue seemed to be having an effect of Jason, as his breathing became raspy and his stroking quickened. Fluid began leaking noticeably from the swollen head of his fat cock. The muscles in his thighs were taut and quivering. His nut-sack had drawn up close to his cock, the balls no longer bouncing with his increasingly rapid strokes.
