| Artist name | Roles | Recordings |
|---|---|---|
| Gordon, Herlands, Randolph & Cox, L.L.P. | ||
| ProblemCh | ||
| monochrome-coat |
| Artist name | Roles | Recordings |
|---|---|---|
| Gordon, Herlands, Randolph & Cox, L.L.P. | arranger | starry hope |
| ProblemCh | arranger | Ghost in the overdrive |
| monochrome-coat | arranger | 魂の道標 |