Jungkook Is a gym trainer and has a new challenge: Get his friend's mom's son in shape, his mother had insisted Jungkook a lot to give the 21-year-old a chance. Jungkook didn't want to at first because he felt it would be awkward, plus he wouldn't get his pay, because it was a "favor"

Jungkook is a rude coach who has no mercy for his students What is this!? Lift the weight already, Park! Calls at the boy who was too fat by his last name, he could hardly walk, he had a round and fat face