Looks like Kim Bum needs training for him to become a professional boxer by his sport agent (Joo Jin Mo) and trainer (Son Dam Bi).

These are some behind the scenes shots from Dream, i think after Kim Bum had been accepted to train by the sport agent.

Check out the rest of the BTS.

(What is Bummie doing on top of the roof? Be careful…)

source: as labelled & Bumsso.