Krystal needs good grades. She goes over to her professors home to get some study tips. So she says. When she arrives she sits on his couch and props her feet up. She noticed in class that he is always staring at her feet. She is going to make sure she gets that A. Knowing he can't touch her feet she plays it to her advantage. Krystal makes him drool, he wants her feet so bad he can;t stand it.