Domesticating Sarah (A Forced Lactation Fantasy)

Sarah absolutely has to pass her class, but she's too lazy to do the work. Her solution? Seduce her professor. Unfortunately for Sarah, he isn't going to be blackmailed. Instead, he has other plans for this naughty schoolgirl. He needs someone to test his lactation drug, and Sarah will be the perfect candidate. He's going to tie her down and turn her into the class milk cow.