The story is fiction. Fantasy. Not real. All characters are over 18.
*****
Sunlight streamed into a big open room though old metal framed windows. It was a classroom of sorts, but also a laboratory, a place of research. Ivy covered brick buildings surrounded the grass courtyard below the windows, one of them with the stately facade used on the school's logo. Inside, the room was quiet enough to hear the ticking of a clock on the wall.
"Please remove your clothes Miss White," Mr. Black said.
"My clothes?" she asked.
"Yes. We're doing an experiment in nature today."
"Nature?" she asked.
"Nature and instinct. Where we came from, and why," he said as he stood up from his desk. He unbuttoned his shirt as he rose, and took it off.
His shoes were next, and then his pants. Miss White stood silently as his undershorts came off, and Mr. Black stood quietly and silently before her, as natural as natural could be.
"Miss White?" he said. He picked up a clipboard as he stood there watching her.
Not knowing why, her hands went to her fastenings, and soon she was natural too, standing before him.
"We're looking into—studying if you will—instinct. Human instinct, which is of course, animal instinct," Mr. Black said.
While he said it he was looking at Miss White's naked body, taking notes, the long penis between his legs thickening and rising slightly as he observed her.
"Are you observing me Miss White?" he asked.
"Yes," she said quietly.
"Describe your feelings," he said.
"I feel...warm. Warmer now than when I had my clothes on," she said.
Her eyes scanned across Mr. Black. She had seen him many times clothed, but he seemed like a completely different thing in his natural state—a man, not a teacher.
"I feel...drawn to you," she said.
"What's the strength of this 'draw'?" he asked. "Is it something you've felt before in my presence?"
"No, never," she said. "It's very strong. Very difficult for me to stay here...to stand still."
They both stood silently for many moments, the faint sound of the ticking clock and Mr. Black's pencil on paper the only sounds in the room. His thick, long penis throbbed slightly, and seemed to grow a bit more, rising up at an angle to his powerful legs, seeming to hover in space.
"Describe your feelings Miss White," Mr. Black said, breaking the silence.
"The heat I mentioned before, it feels like it's swirling," she said. "Moving around inside me, the way smoke swirls off a snuffed out candle."
"Good, very good," Mr. Black said.
"My feet," Miss White said, "they feel different. They were like lead before, heavy and stuck, but now they feel light and free, like they could take me anywhere."
"Where would they take you if you let them?" Mr. Black asked.
"To you," Miss White said. "I feel a strong need to smell you."
"To smell me?" he said, making note of it on his clipboard.
"Yes. I almost can, but I feel...frustrated. Frustrated that I can't smell you deeply."
As she said it her feet broke free of the cold wood floor and she moved. Almost imperceptibly at first, but then one foot went in front of the other and she arrived in front of Mr. Black. Her knees went down as she took the last few steps, and when she stopped she was looking straight at the throbbing, meaty appendage. She smelled the big cock and looked up at him.
"What do you smell, Miss White?" he asked.
She inhaled the scent again, long and slow, with her nose right up against it.
"The ocean. The universe. The clean earth in my mothers garden, after it rains."
Mr. Black wrote on his clipboard, and Miss White took the big ebony colored cock in her small hand. Her slender fingers wrapped around it one at a time, but it was too big for her to enclose. The length extended five or six inches beyond her hand, and being only half hard it drooped a bit as it left the support of her fingers.
She inhaled deeply, smelling it again, and then her mouth opened slowly and her tongue extended, lifting the weight of the drooping appendage onto its moist surface. Her tongue moved side to side, its slight roughness adding to the connection between the two very different types of flesh.
"Describe your feelings Miss White," Mr. Black said.
"Soft but hard...cold but hot...wrong but right," she said. "The swirling heat has overtaken me. The cold floor means nothing. The voices in the hallway mean nothing. My breathing, deeper and louder, means everything."
"Is there a taste? What did you experience with your mouth?" he asked.
"Yes," she said, and she let the whole tip into her mouth, swirling her tongue on it. It barely fit—the big cock had grown even more since her hand encircled it. "It tastes earthy, like the smell. Delicious. When I was a child my grandmother made wild mushroom gravy..."
Mr. Black stood silently, taking notes as Miss White took more and more of his cock into her mouth. Only a third of it fit in, and that was a stretch for her small mouth, but she seemed to enjoy the challenge.
Miss White was moaning softly, and her eyes were closed for much of her oral exploration. She needed one hand to control the huge cock, and her other went slowly up her torso to her small tits, rubbing the tiny pointy nipples in slow circles as her tongue bathed the underside of Mr. Black's cock with wet heat.
"Describe your feelings Miss White," he said, drawing her back into the real world.
"I'm starting to perspire," she said. "Not only in the usual places, but all over, like when I exercise. It's odd because I'm not moving, I'm just here on my knees. The heat in me feels very soft and beautiful, like the swirling stopped and it's just a pure, uncolored warmth." She paused for a few moments, deep in thought. "I feel so relaxed—peaceful almost, and yet coiled like a spring that's being wound tighter. The two things are so different, and yet they both feel equal, like a wonderful balance."
"Good, very good," Mr. Black said. "The next part of our research will take place on the couch. I'm working on a hypothesis that when the body is horizontal the increased blood-flow to the brain alters our instinctual stimulation and plays a role in how our desires manifest themselves."