Girl group Rainbow's member Jaekyung delivered the news of her younger brother's debut into the entertainment industry.

Today, Jaekyung posted on her Twitter, "My little brother debuted in Japan! The blue arm right there is my little brother!" along with a picture.

In the picture, a poster that says "2013 10 1 release, debut single 'BASKET'" is shown. Jaekyung's younger brother's group name is N.Flying, a band consisting of 4 members.

Internet users who saw this commented, "Wow, what a good-looking drummer" and "A singing family."

Photo Credit: Jaekyung Twitter