Choo Sarang's mystery friend, who was previously spotted arriving in Korea with her, turns out to be�Yuto�as revealed in preview cuts for KBS 2TV's 'Superman is Back'!

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In honor of the 1st anniversary of 'Superman is Back', some of the current and former families from the show gathered together with MCs Yoon Jong Shin, Park Ji Yoon, and KARA's Hara. Choo Sarang also brought along her boyfriend Yuto to make things even more special!

MC Park Ji Yoon showed her love for Yuto, sharing, "When you think of Yuto, you can't leave out his dancing!"�LMFAO's "Party Rock Anthem" began playing in the studio to get the kids to start dancing. Sarang and Yuto were shy at first, but once Yano Shiho and Yuto's mom started, the kids weren't performed their popular 'jijijing' dance!

Stay tuned for the 1st anniversary special of 'Superman is Back' this Sunday!