| Track Name | Track Artist | Album Artist | Album Name | Official Purchase/Artist Link | Album Genre | Source Track(s) |
|---|---|---|---|---|---|---|
| HΩpeless Δbstracts | kita | Our Heartless Decline | DEAD SISTERS | Link | Metal | ハルトマンの妖怪少女 |
| Still Alone;Stay Alive | kita | Our Heartless Decline | DEAD SISTERS | Link | Metal | ハルトマンの妖怪少女 |
| Memory of Beauty | kita | Our Heartless Decline | DEAD SISTERS | Link | Metal | 少女さとり ～ 3rd eye |
| Grave of Being | kita | Our Heartless Decline | Pray | Link | Dance，Metal | 御柱の墓場 ～ Grave of Being |
| Pray | kita | Our Heartless Decline | Pray | Link | Dance，Metal | 信仰は儚き人間の為に |
| 彼女は「Broken」と言いましたか？ | kita | Our Heartless Decline | 彼女は「Broken」と言いましたか？ | Link | Metal | U.N.オーエンは彼女なのか？ |