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Suh Un and Suh Joon made Lee Hwi Jae laugh with their sauna uniforms that went down to their ankles and towel buns. The twins also found a playpen and got caught up in playing without looking back at their father. Seeing this, Lee Hwi Jae commented, "They're fine without me. This is heaven."

Check out the twins' first trip to the sauna this Sunday at 4:50 PM KST!