| Track Name | Track Artist | Album Artist | Album Name | Official Purchase/Artist Link | Album Genre | Source Track(s) |
|---|---|---|---|---|---|---|
| Starting Time | o.k.o.G4 | eS=S | =＞ bound 4 =＞ | Link | 芥川龍之介の河童 ～ Candid Friend | |
| the way we pas⇒sed | o.k.o.G4 | eS=S | =＞ bound 4 =＞ | Link | 明日ハレの日、ケの昨日 | |
| Subterranean tunnel=disused | o.k.o.G4 | eS=S | =＞ bound 4 =＞ | Link | 少女さとり ～ 3rd eye | |
| Interlude | o.k.o.G4 | eS=S | =＞ bound 4 =＞ | Link | 月時計 ～ ルナ・ダイアル | |
| Dialing 4→ Luna | o.k.o.G4 | eS=S | =＞ bound 4 =＞ | Link | 月時計 ～ ルナ・ダイアル | |
| Mc207-1000 | o.k.o.G4 | eS=S | =＞ bound 4 =＞ | Link | 千年幻想郷 ～ History of the Moon |