Des:Will you be my nude drawing model? One day, a voice is heard from the art class at the boys school. Suddenly, the drawing model cant come, so hes relying on a new female art teacher. She takes off her clothes while feeling ashamed, saying, ``Its for the sake of the students. Her fresh female body is exposed... The boys high school students are excited. Todays class content is studying shunga. We will teach you practical skills in shunga depicting sexual customs from the Edo period.