- 1704 downloads at 29 mb/s
MP3 version
- 1629 downloads at 15 mb/s
FLAC version
Tracklist
| CD-1 | Day By Day |
| CD-2 | 妖奇譚 |
| CD-3 | Stinger～謂われなき情念～ |
| CD-4 | Day By Day (Voiceless) |
| DVD-1 | Day By Day (PV Making) |
| DVD-2 | 「ラブφサミット」 PV "Limited For D" (特別限定Ver.) |
Credits
- Arranged By – D
- Art Direction, Design – Shigeru Kasai
- Bass – Tsunehito
- Drums – Hiroki
- Electric Guitar, Acoustic Guitar – Ruiza
- Guitar – Hide-Zou
- Keyboards, Arranged By [Keyboards], Recorded By, Mixed By – Hajime Okano
- Mastered By – Hiromichi "Tucky" Takiguchi*
- Music By – Asagi (tracks: CD-1, CD-2, CD-4), Ruiza (tracks: CD-3)
- Other [Hair & Make-up Assistant] – Kohta Tanabe
- Other [Hair & Make-up] – Tamayo Kotake
- Other [Interior Coordination] – Miya Tomizawa
- Other [Styling] – NYASAGI, Shoko Kato
- Photography – Takaaki Henmi
- Producer – D , Hajime Okano
- Recorded By, Mixed By – Hitoshi Hiruma, Ke-Ta Jo-Ko-, Yuichi Nagayama
- Vocals, Lyrics By – Asagi
Other versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| AVCD-31763 | D | Day By Day (CD, Single) | Avex Trax | AVCD-31763 | Japan | 2009 |
| AVCD-31761/B | D | Day By Day (CD, Single + DVD, Ltd) | Avex Trax | AVCD-31761/B | Japan | 2009 |
