Apink 에이핑크 새끼손가락(Promise U) Teaser
에이핑크 데뷔 4주년 기념 정은지 자작곡 '새끼손가락' 티저

A CUBE twitter - https://twitter.com/ACUBE2011
A CUBE YouTube - https://www.youtube.com/acubeent
A CUBE FaceBook - https://www.facebook.com/ACUBEENT
Apink twitter - https://twitter.com/Apink_2011
Apink FaceBook - https://www.facebook.com/Official.Api...
Apink YouTube - https://www.youtube.com/officialapink