Apeungaseum

"아픈가슴"
Artist	7 Size
Released	February 23, 2009
Format(s)	CD, download, streaming
Genre	Trot
Length	14:44
Label(s)	TGN Entertainment
Distributor(s)	Music and News
Release chronology
Previous	N/A
Next	"Secret Time"

"아픈가슴" is the debut single album by 7 Size. It was released on February 23, 2009 with "Heartache", featuring Chae Sook, serving as the title track.

Track list

• "Heartache (feat. Chae Sook) (아픈 가슴)" - 3:47
• "Go Away (떠나가버려)" - 3:35
• "Heartache (Inst.)" - 3:47
• "Go Away (Inst.)" - 3:35