FIESTAR look back on their bloopers in unreleased clip for 'FIESTAR's A-HA!'

FIESTAR teaches overseas fans the word 'KkulJaem' in the final lesson of 'FIESTAR's A-HA!'

FIESTAR gives overseas fans a lesson on the word 'GaenSo' + asks fans to anticipate their comeback

FIESTAR gives overseas fans a lesson on the word 'cri'

FIESTAR gives overseas fans a lesson on the word 'bolmae'

FIESTAR gives overseas fans a lesson on the word 'jjal'

FIESTAR gives overseas fans a lesson on the word 'tteokbap'