| Track Name | Track Artist | Album Artist | Album Name | Official Purchase/Artist Link | Album Genre | Source Track(s) |
|---|---|---|---|---|---|---|
| Ugly Melancholy | Why I Killed My Girlfriend | Why I Killed My Girlfriend | Farewell, My Girl | Not Available | Metal | Days |
| Hollow & Sorrow | Why I Killed My Girlfriend | Why I Killed My Girlfriend | Farewell, My Girl | Not Available | Metal | 広有射怪鳥事 ～ Till When? |
| Vanished Girl | Why I Killed My Girlfriend | Why I Killed My Girlfriend | Farewell, My Girl | Not Available | Metal | 亡き王女の為のセプテット |