Appears on releases
| # | Title | Length | Track artist | Release title | Country/Date | ||||
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 1.17 | FUNKTION | 2:01 | ULTRAdoof | beatmania IIDX 12 HAPPY SKY Original Soundtrack |
| ||||
| Pseudo-Release | |||||||||
| 1.17 | FUNKTION | 2:01 | ULTRAdoof | beatmania IIDX 12 HAPPY SKY Original Soundtrack (Transliterated tracklist) | |||||