Ziva has falling woefully behind in her grades, but fortunately for her, she has a professor who has a suggestion on how to bring her grades back up: If she will allow herself to be bound and gagged for his pleasure, she will pass the course. Hesitantly, she agrees. The ropes are far tighter than she expected, particularly thew rope snaking between her legs and bisecting her sex, driving her panties deeply up into herself and cleaving the crack of her ass. Nervously, she opens her mouth to allow the professor to tie a fat scarf between her teeth, gagging her quite effectively. Now regrettin... Show more