In Japan, schools are extremely perverted places. If you need to pass an exam, you can do it the old fashioned way and study, or you can just fuck one of your instructors. This schoolgirl is ready for you to take full advantage of her for a good grade.
http://hentai-gamer.com/index.php?page=game&g=33cfbb8c352249f7a9383bbc9411aa3d