Fans Can't Get Enough Of ASTRO MoonBin And Billlie Moon Sua's Adorable Sibling Interaction At Music Show

Mnet

Billlie is a new girl group that has recently debuted and has been getting the attention of K-Pop fans for their unique high-concept content. If you would like to know more about Billlie, you can read this article about their debut. 

Recently, during their debut showcase, Billlie member Sua mentioned how one of her goals is to be able to perform next to her older brother. Her older brother is none other than ASTRO's MoonBin. You can read more about ASTRO's MoonBin as a performer in this article

Sua's wish came true in a small way when Billlie appeared on the music show "Show! Champion" to