| Track Name | Track Artist | Album Artist | Album Name | Official Purchase/Artist Link | Album Genre | Source Track(s) |
|---|---|---|---|---|---|---|
| twilight | NIBI | mondoriumNIBI | twilight | Link | 亡き王女の為のセプテット | |
| 19 years after | NIBI | mondoriumNIBI | twilight | Link | U.N.オーエンは彼女なのか？ | |
| spirit of inquiry | NIBI | mondoriumNIBI | twilight | Link | ラクトガール ～ 少女密室 | |
| i miss u | NIBI | mondoriumNIBI | twilight | Link | フラワリングナイト | |
| rest well | NIBI | mondoriumNIBI | twilight | Link | 上海紅茶館 ～ Chinese Tea | |
| morning…Zzz。 | NIBI | mondoriumNIBI | twilight | Link | 紅楼 ～ Eastern Dream... |