（１）未定 1. What Day of the Week Were You Born? 2. Monochrome Dialogues 3. Past in Motion 4. Flaring Passions 5. Conclave 6. Ce qu'a vu le vent d'ouest 7. Dyed-In-The-Wool 8. It's on the Move 9. Arabesque No.1 10. Mystique 11. KOMORIBITO 12. Tranquil Cadence 13. Reunion 14. Arabesque No.2 15. Sui's Theme 16. Sweet Memories 17. Tenderness 18. Daily Dose of Laughter 19. Slumber 20. Trail of Shadows 21. Minstrels 22. Bizarre 23. Don't Enter My Daughter's Room 24. Sub Theme -Simple Ver.- 25. Arabesque No.1 -Synth Ver.- 26. Wiretap 27. Unfulfilled 28. Echoes of Anxiety 29. Anguish of the Past 30. Sub Theme
主演・飯豊まりえ、脚本・野島伸司のオリジナルドラマ『何曜日に生まれたの』のオリジナルサウンドトラックが発売決定。音楽は『夫婦が壊れるとき』をはじめ数々の映画、ドラマ、アニメ等を手掛ける福廣秀一朗が担当。
トラックリスト発売日：2023.9.27
（１）未定 1. What Day of the Week Were You Born?
2. Monochrome Dialogues
3. Past in Motion
4. Flaring Passions
5. Conclave
6. Ce qu'a vu le vent d'ouest
7. Dyed-In-The-Wool
8. It's on the Move
9. Arabesque No.1
10. Mystique
11. KOMORIBITO
12. Tranquil Cadence
13. Reunion
14. Arabesque No.2
15. Sui's Theme
16. Sweet Memories
17. Tenderness
18. Daily Dose of Laughter
19. Slumber
20. Trail of Shadows
21. Minstrels
22. Bizarre
23. Don't Enter My Daughter's Room
24. Sub Theme -Simple Ver.-
25. Arabesque No.1 -Synth Ver.-
26. Wiretap
27. Unfulfilled
28. Echoes of Anxiety
29. Anguish of the Past
30. Sub Theme