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Disc1
| 1 | Sweet Refrain | Perfume | 4:56 |
| 2 | 恋は前傾姿勢 | Perfume | 4:14 |
| 3 | Sweet Refrain (Instrumental) | Perfume | 4:55 |
| 4 | 恋は前傾姿勢 (Instrumental) | Perfume | 4:14 |
| 1 | Sweet Refrain | Perfume | 4:56 |
| 2 | 恋は前傾姿勢 | Perfume | 4:14 |
| 3 | Sweet Refrain (Instrumental) | Perfume | 4:55 |
| 4 | 恋は前傾姿勢 (Instrumental) | Perfume | 4:14 |