DISC 1. 1. shadows and fog 2. tailing in darkness 3. scars of the past 4. go and get it! 5. on a day so calm 6. espionage trap 7. under suspicion 8. bitter times 9. tensions are rising 10. a royal girl 11. walking in the fog 12. battle of the shadows 13. orchestrion 14. A Page of My Story ～Piano ver. 15. room with no window 16. everyone has something to hide 17. titteringly 18. school girl life 19. the creeping fate 20. something is out there 21. have to get over 22. the London Wall 23. moonlight melody ～Piano ver.
DISC 2. 1. a fighter-girl from east 2. tiny flower garden 3. a noble man 4. why should we be apart? 5. tragedy and silence 6. in the fog 7. operations in action 8. hopeless 9. give your hands to me 10. acting behind the scenes 11. moonlight melody in blue 12. a girl from the east 13. uncanny 14. shall we dance? 15. A Page of My Story ～four-handed ver. 16. her true story 17. もひとつまわして 18. moonlight melody / ベアトリス(cv.影山灯) 19. The Other Side of the Wall (TV Size) 20. A Page of My Story (TV Size) / プリンセス(cv.関根明良)
話題のTVアニメ『プリンセス・プリンシパル』のオリジナルサウンドトラックがリリース!! 音楽は絶大な人気を誇る作曲家、梶浦由記が担当! 緻密スチームパンク×本格ガールズ・スパイアクションの世界観で、壮大かつ繊細な音楽を奏でます。劇中BGM+OP主題歌・ED主題歌(TVサイズ)収録。描き下ろしイラストジャケット。
トラックリスト発売日：2017.9.27
DISC 1.
1. shadows and fog
2. tailing in darkness
3. scars of the past
4. go and get it!
5. on a day so calm
6. espionage trap
7. under suspicion
8. bitter times
9. tensions are rising
10. a royal girl
11. walking in the fog
12. battle of the shadows
13. orchestrion
14. A Page of My Story ～Piano ver.
15. room with no window
16. everyone has something to hide
17. titteringly
18. school girl life
19. the creeping fate
20. something is out there
21. have to get over
22. the London Wall
23. moonlight melody ～Piano ver.
DISC 2.
1. a fighter-girl from east
2. tiny flower garden
3. a noble man
4. why should we be apart?
5. tragedy and silence
6. in the fog
7. operations in action
8. hopeless
9. give your hands to me
10. acting behind the scenes
11. moonlight melody in blue
12. a girl from the east
13. uncanny
14. shall we dance?
15. A Page of My Story ～four-handed ver.
16. her true story
17. もひとつまわして
18. moonlight melody / ベアトリス(cv.影山灯)
19. The Other Side of the Wall (TV Size)
20. A Page of My Story (TV Size) / プリンセス(cv.関根明良)