T-ARA's Soyeon announced her friendship with MYNAME's Insoo by cheering him on.

On June 17, Soyeon posted on Twitter, "MYNAME's "Hello and Goodbye" is such a good song."

She also wrote, "Wow! I didn't even notice a fellow high school classmate. MYNAME fighting!"

T-ARA's Soyeon and MYNAME's Insoo went to the same high school however Soyeon was a theatre arts major while Insoo was a dance major. Before they debuted, they did not know each other.

Soyeon commented, "It's nice to see fellow friends who have been training around the same time finally debut and step into the spotlight. A couple months ago I heard some new songs by a talented group and realized that one of the members looked familiar."

MYNAME is currently performing their first single album, MYNAME the 1^st Single with their title song, "Hello and Goodbye."