DISC 1. 1. let him tell his story 2. old-fashioned fairy tale 3. pessimistically 4. he shows some interest 5. he has some doubts 6. he is a bit puzzled 7. a kind of friendship 8. he feels empty 9. deep in his heart 10. twisted mind 11. she is a scholar 12. optimistically 13. she is a fortuneteller 14. a sudden fear 15. a courtesy talk 16. she is a painter 17. a logical talk 18. a metaphysical talk 19. a momentary exchange 20. a composition of opposition 21. first thing a detective does 22. a presentation of a mystery 23. reconstructing a full picture 24. one more mystery
DISC 2. 1. now he talks again 2. daily life, returning to normal 3. she is the strongest 4. she puts a question to him 5. she solves, by herself 6. she answers to him 7. she explains, for the happy ending 8. he told his story 9. 群青世界 -アニメサイズver.- 10. メルヒェン -アニメサイズver.-
西尾維新のデビュー作『クビキリサイクル 青色サヴァアンと戯言遣い』OVA全8巻の劇伴+主題歌 OP: 三月のパンタシア「群青世界」・ED: Kalafina「メルヒェン」を収録したサウンドコレクション。音楽を担当するのはヒット作に携わり続ける名作曲家 梶浦由記! ジャケットはシャフト描き下ろしイラスト。2枚組 全34曲予定。
トラックリスト発売日：2017.10.25
DISC 1.
1. let him tell his story
2. old-fashioned fairy tale
3. pessimistically
4. he shows some interest
5. he has some doubts
6. he is a bit puzzled
7. a kind of friendship
8. he feels empty
9. deep in his heart
10. twisted mind
11. she is a scholar
12. optimistically
13. she is a fortuneteller
14. a sudden fear
15. a courtesy talk
16. she is a painter
17. a logical talk
18. a metaphysical talk
19. a momentary exchange
20. a composition of opposition
21. first thing a detective does
22. a presentation of a mystery
23. reconstructing a full picture
24. one more mystery
DISC 2.
1. now he talks again
2. daily life, returning to normal
3. she is the strongest
4. she puts a question to him
5. she solves, by herself
6. she answers to him
7. she explains, for the happy ending
8. he told his story
9. 群青世界 -アニメサイズver.-
10. メルヒェン -アニメサイズver.-