Geunyuk Joseon

"What's this? Kyaaaa!!! Wh-Why did I suddenly turn into a beanpole?!”

Choi Yeong-Jik was a food and nutrition academic nerd. I am a certified fitness enthusiast with a first-grade qualification in lifestyle sports instruction. But then one morning, waking up with all his bountiful muscles gone, he finds himself in the body of Grand Prince...