Tracklist
| A1 | Day By Day | |
| A2 | Day By Day (Instrumental) | |
| A3 | Day By Day (Accapella) | |
| B1 | Day By Day (Nujabes Remix) | |
| B2 | Day By Day (Nujabes Remix Instrumental) | |
| B3 | Day By Day (Nujabes Remix TV Version) |
| A1 | Day By Day | |
| A2 | Day By Day (Instrumental) | |
| A3 | Day By Day (Accapella) | |
| B1 | Day By Day (Nujabes Remix) | |
| B2 | Day By Day (Nujabes Remix Instrumental) | |
| B3 | Day By Day (Nujabes Remix TV Version) |