They held solo concerts in Japan on April 18 and 26, and album release events in Osaka, Nagoya and Tokyo.

[6][7] On June 18, 2015, they reformed as a six-member group following the additional of new member Kichun, a singer, dancer and actor who studied in China for several years, and is fluent in Chinese, Japanese and Korean.

[8] In October 2017, It was confirmed that Lex and Euijin as well as former member Z-Uk joined The Unit: Idol Rebooting Project.

In the finale episode, Euijin was ranked in 2nd place and made it into lineup of winning boy group UNB.

On January 17, 2019, it was confirmed that Ron, HighTop, Jungkyun and Yuseong officially departed from the group after their contract expired.