SEE ALSO: Girl's Day become the new ambassadors for 'Plan Korea' + concert for girls all over the world

Their agency DreamT Entertainment stated on August 14, "Girl's Day will leave for Thailand from August 17-21 as ambassadors for international child sponsorship organization 'Plan Korea'... They plan to directly participate in the girls' birth registration campaign and the campaign for human rights for girls."

Girl's Day previous took part in volunteer service in Thailand in August 2013 and donated the proceeds from their first solo concert on July 13 to 'Plan Korea' for its girls' birth registration campaign.

Girl power!