4th korean mini album ‘GROWN-UP’ Release 31th January 2012

Tracklist:
1. 지독하게 (Severely)
2. 친구마저 잃었다 (Even had Lost a Friend)
3. 난 못난 사람입니다 (I’m Foolish Person)
4. 다 큰 남자가 (Grown Man)
5. 애인이 돼 주길 바래요 (I Hope You’ll Become My Lover / Be My Girl)