The photos published during a recent episode of Running Man revealed Lee Kwang Soo in a playful fight with Kim Jong Kook after being set up for a challenge.
Part of the challenge was to have them doused with water. But they’re rather thin shirt exposed their toned bodies. Lee Kwang Soo’s abs specifically!
It seems like Kwang Soo has been working out as fans catch quite a glimpse of his pecs.
If he’s not being teased for his slim figure in the earlier episodes of the program…
…he often falls victim to his members’ pranks on their promotional tours.
A closer look reveals that Kwang Soo is indeed ripped.