| # | Nimike | Esittäjä | |
|---|---|---|---|
| A01 | HEART TO HEART (Japanese Version) |
4Minute
|
|
| A02 | Heart to Heart |
4Minute
|
|
| A03 | Koura Koura (Korean Version) - Kagami yo Kagami yo - コウラコウラ (Korean Version) ～鏡よ、鏡よ～ |
4Minute
|
|
| A04 | HEART TO HEART (Instrumental) |
4Minute
|
|
| B01 | Koura Koura (Korean Version) - Kagami yo Kagami yo - (Music Video) コウラコウラ (Korean Version) ～鏡よ、鏡よ～ (Music Video) |
4Minute
|
|
| B02 | HEART TO HEART OFF SHOT MUSIC VIDEO in U.S.A |
4Minute
|
