| 0 | Byakuya |
| 0 | 1P_Halley |
| 0 | Hydrangea 1.0+1.1 |
| 0 | Beside a Window |
| 0 | Softrime |
| 0 | Memory of Desert |
| 0 | NGS 224 |
| 0 | Winterend |
| 0 | Last Goodbye |
| 0 | Snowy Mountains Melt |
| 0 | Reminiscence (Spring has come) |
| 0 | ototo + Hirotaka Shirotsubaki - woodblock |
| 0 | Kent Funayama + Hirotaka Shirotsubaki - mabuta (Overdub by Hirotaka Shirotsubaki) |
| 0 | Hideo Nakasako + Hirotaka Shirotsubaki - Asterias |
| 0 | Molder + Hirotaka Shirotsubaki - Walt the Wonder Boy |
| 0 | Such a Thing |
| 0 | Endurance + Hirotaka Shirotsubaki - Faint Stochastics |
| 0 | km: + Hirotaka Shirotsubaki - beam |
| 0 | Sohtaro Kanda + Hirotaka Shirotsubaki - Hydrangea (Sohtaro Kanda Remix) |
| 0 | Golgos + Hirotaka Shirotsubaki - cycle |
| 0 | Otomi Chie + Hirotaka Shirotsubaki - Umi no kakera |
| 0 | 2o2 + Hirotaka Shirotsubaki - View the circus from a pinhole |
| 0 | Gallery Six + Hirotaka Shirotsubaki - The Ballad of the Autumn Wind (Overdub by Hirotaka Shirotsubaki) |
| 0 | Youki Koyama + Hirotaka Shirotsubaki - Futari |
| 0 | Kei Miyaji + Hirotaka Shirotsubaki - Reminiscence (feat. Kei Miyaji) |
| 0 | Where I Come From |