On March 23, the press conference for the new MBC drama took place at MBC Golden Mouse Hall in Seoul. During the event, actress Hong Soo Hyun revealed, "Kim Ji Hoon said he'll cover BTS if the viewer ratings surpass 40%. The singing will be done by actor Kim Min Gyu."

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Kim Ji Hoon said, "During a live broadcast, there was a comment asking me to dance for the viewer rating promise. I think the comment was made because s/he remembers me covering EXO in the past. So I did say I will dance to BTS if the ratings go over 40% and now it has become official." 

He added, "I think 'DNA' will be good for the challenge. I'll cover BTS' performance if the viewer ratings surpass 30%."

The first episode of 'Rich Family's Son' is airing on March 25. Will we be able to see Kim Ji Hoon covering BTS? Stay tuned!