| Track Name | Track Artist | Album Artist | Album Name | Official Purchase/Artist Link | Album Genre | Source Track(s) |
|---|---|---|---|---|---|---|
| Blood in the Rain | リョウ | United Under 17 | Sister’s EP | Link | Rock | 亡き王女の為のセプテット |
| The Reincarnation of UNKNOWN | リョウ | United Under 17 | Sister’s EP | Link | Rock | Original? |
| 貧しさは悲しさ | リョウ | United Under 17 | Sister’s EP | Link | Rock | おてんば恋娘 |