All songs of Kei Sugawara
- ABAKU
- blanket
- celeste feat. haruno
- Cheers feat. Tani Yuuki & Kei Sugawara
- Citrus
- crash
- Curtain
- filled
- ia
- Kankudari (feat. Kei Sugawara) [Thunderbolt (feat. Kei Sugawara)]
- KilatteLatte
- Kuuhaku [Blank]
- limelight
- Limited
- Nettaiya
- Ratpark (feat. Kei Sugawara)
- Shinka
- Shower Room Rendezvous
- Sugar feat. Kei Sugawara
- Yuureikon
- zoo