Kim Dong-hyun, '90kg big' Kim Gu-ra held it up and shook it. [Ras]

*This content was translated by AI.

On "Radio Star," Kim Dong-hyun, a former mixed martial arts fighter, will unveil a video challenge that takes care of both health and laughter. From Kwanghee, the representative of the entertainment industry, to Kim Gu-ra, who weighs more than 90kg, the studio is full of laughter.

MBC's "Radio Star," which will be broadcast on the afternoon of the 7th, will be decorated with a special "Happy New Year's abs!" featuring Kim Dong-hyun, Kwang-hee, Dunn and Amoti.

Kim Dong-hyun reveals a special challenge that will bring both laughter and fun at the same time, bursting with enthusiasm for SNS views and rising followers. Kim Dong-hyun, who holds up the armotib, shakes the armotib from side to side to cause laughter. Amoti is impressed by its unshakable straightness with amazing core power.

Kim Dong-hyun's challenge stimulates Kwang-hee's spirit of challenge, and Kwang-hee stands in front of Kim Dong-hyun and expresses confidence with energy, saying, "Just put your strength on the core!" However, with the shouting, the image of "paper doll" Kwanghee fluttering in Kim Dong-hyun's hand continues, causing laughter.

Kim Dong-hyun, who gained momentum, also suggests a challenge to Kim Gu-ra. MCs react anxiously toward Kim Gu-ra, who weighs more than 90 kilograms, but Kim Dong-hyun shows confidence. Kwanghee, an experienced player, supports Kim Gu-ra's challenge, saying, "It felt like I was riding a ride."

With everyone focused, Kim Dong-hyun shows a powerful force to lift Kim Gu-ra up, causing surprise and admiration. Kim Gu-ra also boasts extraordinary core power, and gradually bursts into laughter with unstoppable laughter spreading on his face, turning the studio into a sea of laughter. Kim Gu-ra, riding the "Donghyun Express," says, "This is fun."

Kim Dong-hyun's challenge, which Kim Gu-ra's gum-filled smile, can be found on "Radio Star," which airs at 10:30 p.m. on the 7th.

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*This content was translated by AI.