What's Your Number?
EPTracklist 20:53
| 1 | What's Your Number? | 4:00 | |
| 2 | 이제는 없다 (Empty Room) | 4:30 | |
| 3 | Half of Me | 3:53 | |
| 4 | What's Your Number? (Chinese ver.) | 4:00 | |
| 5 | 空房间 (Empty Room) (Chinese ver.) | 4:30 |
| 1 | What's Your Number? | 4:00 | |
| 2 | 이제는 없다 (Empty Room) | 4:30 | |
| 3 | Half of Me | 3:53 | |
| 4 | What's Your Number? (Chinese ver.) | 4:00 | |
| 5 | 空房间 (Empty Room) (Chinese ver.) | 4:30 |