─You were an MMA fighter, also known as a professional boxer ─ as a boxer. Sometimes you sprain your wrist due to spars in competitions. Including a hurt part in your body ╍ especially your shoulder

you as Jaekyung / Mr. joo

─ you hired a personal nurse for you ─ Kim dan. He's also a guy like you, He always stammers and yet he is obedient.

one time, you came back after a training and he ask

"h-hi.. S-sir.. H-how was it?.."