CNBLUE's Yonghwa hung out with Lee Hwi Jae's adorable twins Seo Uhn and Seo Jun for 'Superman is Back'.
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On July 6, broadcast insiders revealed Yonghwa was filming for the KBS family show. It's not his first time on the show, however, as he previously appeared alongside CNBLUE member Jonghyun last April to look after Ki Tae Young and Eugene's cute daughter, Rohee.
The air date for Yonghwa's episode of 'Superman is Back' has yet to be confirmed, so stay tuned for updates!