4 (for) prologue.
EPTracklist 21:00
| 1 | invisible | 5:18 | |
| 2 | farewell to past waltz (ラストワルツ DTM Remix) | 4:13 | |
| 3 | classic (高層ビルと人工衛星 Live Remix) | 4:50 | |
| 4 | end of aftergrow (蜩 Piano Remix） | 6:37 |
| 1 | invisible | 5:18 | |
| 2 | farewell to past waltz (ラストワルツ DTM Remix) | 4:13 | |
| 3 | classic (高層ビルと人工衛星 Live Remix) | 4:50 | |
| 4 | end of aftergrow (蜩 Piano Remix） | 6:37 |