Wataru Kamiya, a boy who lives with his father after losing his mother. Suddenly, his father left home for a while on a business trip abroad, and decided to live with Luna Hazuki, a female college student, as a boarder. I'm a lazy person who can't study or exercise, and if I'm interested, it's just naughty. Luna, who is pessimistic about her future, will stretch her body and become a one-on-one private professor. The sex appeal comic that hit the hearts of boys all over Japan is a live-action film!

Akira, is trying his best to become the strongest in his high school, not in terms of intelligence but through fighting since this high school revolves around fighting for the top spot instead of education. Even teachers can't resist the fighting and are nearly forced to overlook the violence. Akira wants to dethrone the current No.1 Tsutomu but to get there he has to take on a few more challengers since most of them want to take the spot for themselves.