Appearance
- please note that these are exception cases where they may not fit the label, circle or unit category despite resembling some sort of group; usually because of the involvement of a legal system, being a separate division of a circle or being a separate alias before the retirement or reformation of the label or circle
| Group | Members | Parent |
|---|---|---|
| fripSide NAO project! | fripSide, NAO | Warner Music Japan |
| I've Sound | KOTOKO, Takase Kazuya, C.G Mix, [...] | Fuctory Records (Visual Art's) |
| MOSAIC.TUNE | ika | Sham.Studio |