ZE:A's member Kwanghee and Jewelry's member Yewon bickered at each other, arousing laughter.

In the recent filming of KBS "Happy Together", Kwanghee and Yewon came out as guests.

The two had known each other since trainee days, becoming like real siblings.

Kwanghee said, "When I first saw Yewon, they said she would be like Moon Geun Young of the music industry. It was not even funny," and Yewon said, "I had no idea Kwanghee would be able to become a celebrity," arousing laughter.

This episode will be aired on September 4.