Getting a good education requests time, energy, effort, and even money. Yes, there are a lot of free courses, but not everybody can cope with them on their own. Mulan needs to get a teacher’s help to probe the subject and understand the details of it. She works hard, but, unfortunately, she doesn’t have enough cash to pay the teacher. Mulan wants to keep examining and begs the professor to find a way out. Luckily, he has some kinky ideas that could help them both.