In Part 1, just like the film's title, because she was weak in class, the girl decided to ask the male class vice president to tutor her at home. But instead of instructing his friend to do his homework, the boy "did" something else. The female student protested but had to grit her teeth and endure. Next is the father of the lecherous class vice president, but this time he is smarter, he does not force the girl to do it right away with him, he wants the "prey" to volunteer... You can find out for yourself in paragraph 2. Part 3, while preparing to have sex with his girlfriend, the father came in to fix the air conditioner and asked him to go shopping. The young man had to listen, but the female student had not had time to put her clothes back on so she had to wait under a blanket. wait. With decades of experience in "practicing", the man was able to realize that his son's girlfriend was in heat, and so...