A college teacher is giving a live demonstration of double penetration in sex education class ang will need some help from one of his students. He asks that everyone involved pays attention because the first attempt failed and he is filming the demonstration so other teachers can use it to instruct their students who are of legal age. As he is fucking the girl another girl enters the scene with a long cum soaked dildo that is the same thickness as a normal nice sized dildo, only longer. She stands at the front left corner of the desk and as she is guiding the long rubber cock into the mouth of the girl getting fucked the dildo oozes a small amount of thick sticky white cum on her face and in her mouth. It is not a lot of cum, just enough to make a little bit of cum ooze from her mouth, trickling down her face to her chin where it clings and hangs in small globs and strands of goo the whole time she is fucked by the cock in her pussy, which maintains extra long strokes, making the entire length of the shaft of his long cock go in and out of her pussy. The cum is not yellow or brown, it is white and it is not foamy at all, it is very sticky like molasses, sticking to everything that it touches, forming small strands of goo that ooze and string from her face and mouth to the cock going in her mouth. No one moves aggressively or quickly, their movements are slow, practiced and methodical. They relax and enjoy the demonstration, learning how to fuck and suck properly. No one kisses her face or mouth and no one touches her face or mouth except the cock in her mouth. The long cock in her mouth continues to ooze small amounts of cum on her face and in her mouth. The camera remains static and does not zoom in or change angle so it can film the entire sex act from the cum coming from her mouth to the cocks going into her pussy and mouth.