Early-purchase bonus: Download card for the BGM from the demo version of the game.
Album was composed by and was released on May 18, 2021. Soundtrack consists of 54 tracks tracks with duration over . Album was released by Taito Corporation.
CD 1
| 1 | Main theme of Rakugaki Kingdom | | |
| 2 | ウタウタ | | |
| 3 | Excuse for my guitar | | |
| 4 | Sound Graffiti | | |
| 5 | Akugaki Fight Part1 | | |
| 6 | Indomitable Soul | | |
| 7 | Spiral Power Bomb | | |
| 8 | IXTL | | |
| 9 | The brush is mightier than the sword | | |
| 10 | Sunny Days Battle | | |
| 11 | Stay the way！ | | |
| 12 | 夢と幻想の円舞曲 | | |
| 13 | Crimson Calamity | | |
| 14 | Regaining | | |
| 15 | Spectrum Seeker | | |
| 16 | ラクガキと戦慄 | | |
| 17 | 王立闘技場（ラクガキ キングダムVersion） | | |
| 18 | 最後の戦い-無色-（ラクガキ キングダムVersion） | | |
| 19 | Victory | | |
| 20 | Defeat | | |
CD 2
| 1 | Canvas | | |
| 2 | Rakugaki | | |
| 3 | Atelier | | |
| 4 | Capsule | | |
| 5 | Anteroom | | |
| 6 | Sketching the days | | |
| 7 | Colors in bloom | | |
| 8 | The modest supper | | |
| 9 | The starry night | | |
| 10 | Sky Blue Palette | | |
| 11 | Interlude | | |
| 12 | Challenge Oneself | | |
| 13 | Wasabi | | |
| 14 | Circus | | |
| 15 | Party | | |
| 16 | I&I | | |
| 17 | My First Sermon | | |
| 18 | April Love | | |
| 19 | Easel | | |
| 20 | Art Liner | | |
| 21 | Folklore | | |
| 22 | Nash | | |
| 23 | Galleria | | |
| 24 | Accident part1 | | |
| 25 | Accident part2 | | |
| 26 | Force | | |
| 27 | Graveyard | | |
| 28 | 筆の歌 | | |
| 29 | 筆の歌（カラオケ） | | |
| 30 | ウタウタ（カラオケ） | | |
| 31 | Excuse for my guitar（カラオケ） | | |
| 32 | Sound Graffiti（カラオケ） | | |
| 33 | ラクガキ体操 | | |
| 34 | ラクガキ体操（カラオケ） | | |
