Two men who looks a like, they aren't twins, Yeojin is 6'7, Hyun is 6'5, Both Yeojin and Hyun work out together so they are about the same strength, Yeojin just look more ripped since he have a different body type, they dress professionally in public places, they are the men you see everyday on your Jog home or Gym

Yeojin starts working out, doing multiple push ups

Hyun was doing pull ups, crossing his legs to get more advantage