" Then she paused, considering. " ... but I suppose a quick cup would be nice. I'm Erica." She offered her hand.I shook her hand but continued holding... it. I ushered her into my place and closed the door behind us, admiring her nicely shaped tush in those yoga pants that I had noticed many times before.She turned and caught me looking, and then continued turning until she faced me directly. She was nibbling her lower lip as her eyes roamed my body. I could see her nipples, quite prominent now. I nibbled on her neck, all the while watching the screen. Slowly, I moved my hand down to her pussy. I rubbed it with the palm of my hand. Kay now grabbed my cock through my pants. I pulled her shirt up and began to knead her tits. Eventually, I lifted her shirt off. She pulled my dick out. I pushed aside her shorts and began to finger her. I could tell that Kay was getting very excited. I crouched down in front of her, put my tongue in her pussy. She moaned and kept her eyes on the video. "Eve entered a long password into her laptop, and a new presentation appeared on the screen.The first image was of a large worm, grey with black stripes, oozed onto the side of a large Pyrex beaker."This, my girls, is your first image of Mary's worm.Cassie's ears pricked up.This was what she had come for.Eve next showed a slide of a young woman, smiling at the camera, and dressed neatly in a cardigan and a skirt. She was a brunette, with long, straight, hair, and she stood relaxed and. After the final class I make my way back to the media rooms. I look into the class and Miss Davidson is sitting alone at her front desk peering at her laptop. I knock as I open the door.“Hi Robbie, thanks for coming back” she smiles standing up to grab a chair.I silently walk over and take the seat she is offering me next to hers at her desk. “This is kind of difficult to say Robbie but do you know why I brought you back here?”“Not a clue Miss Davidson” I genuinely don’t.“Please, call me.