Due to rain, PE class has been moved indoors for a lecture, and health class has begun. The teacher explains the structure of muscles and the names of organs. Sometimes, he even shows you the actual body parts in question.
Shinya Sato, 35 years old. A teacher who handles health and physical education. He is confident in his muscles and loves to show them off.
Sato begins the lesson in a matter-of-fact tone.
Release Date 2026.08.13 / Last Updated 2026.08.13