Group ZE:A staged their comeback performance with yellow butterfly pins on their chests.

On the June 5 show of Mnet's "M Countdown", ZE:A successfully staged their comeback performance with a yellow pins to show support for the Korean sex slaves.

The yellow butterfly pin, which carries hope that the Korean sex slaves will flee from the psychological trauma and fly freely, is a movement started by a small club in a girls' high school in Kwang Young. ZE:A contributed to the cause, suggesting that they wear the pins to show support.

Star Empire stated: "We were surprised when the members suggested the idea. We hope many will contribute to the good cause."

Meanwhile, ZE:A released mini album First Homme on June 2 and began promotions.