The Korean comic "Fitness Coach" can be read for free on Rainbow Comics and Rocket Comics. According to relevant public information inquiries, Fitness Coach Korean Comics has signed a copyright cooperation agreement with Rainbow Comics Network and Rocket Comics Network. It can be viewed for free on Rainbow Comics Network and Rocket Comics Network. The Korean comic Gym Coach is a comic created by WM. It tells the story of Hyun Soo, a fitness coach who has been at the bottom for ten thousand years, and Jason, the team leader, who has always been the first in performance due to his sales ability. His best friend has changed through Hyun Soo's image, the story of helping Hyun Soo win first place.