Hello Bubble

• [TRANS/ARTICLE] 150511 Starcast: Girl’s Day – ‘Hello Bubble’ MV Filming Pt.
  5/12/2015
• [VID] 150512 Mise-en-scène x Girl’s Day – ‘Hello Bubble’ MV Making Film
  5/12/2015
• [VIDS] 150511 Starcast: ‘Hello Bubble’ MV Making Film – Girl’s Day
  5/11/2015
• [NEWS] 150507 Girl’s Day to Release Project Single “Hello Bubble”!
  5/7/2015