| <bgcolor=#800080> 해피엔드 OST | ||||
| 음악감독: Lia Ouyang Rusli | ||||
| 발매일: 2024. 10. 04. | ||||
| {{{#!wiki style="margin: 0 -10px -5px; min-height: 26px" {{{#!folding [ 트랙 리스트 펼치기 · 접기 ] {{{#!wiki style="margin: -6px -1px -11px; word-break: keep-all" | <rowcolor=#ffffff> 트랙 | 곡명 | 러닝 타임 | 링크 |
| 01 | <colbgcolor=#f5f5f5,#2d2f34> HAPPYEND Theme (Opening) | 01:34 | | |
| 02 | LOVE (Variation 1) | 01:53 | | |
| 03 | WORLD (Variation 1) | 01:25 | | |
| 04 | CLOUD | 01:48 | | |
| 05 | WORLD (Variation 2) | 01:20 | | |
| 06 | LOVE (Variation 2) | 01:18 | | |
| 07 | WORLD (Variation 3) | 01:27 | | |
| 08 | SUBWOOFER | 03:25 | | |
| 09 | HAPPYEND Theme (Closing) | 01:45 | | |
| 10 | SUBWOOFER (( SLOWED )) | 04:53 | | |
| 11 | LOVE Theme Phone Piano Sketch | 01:22 | | |
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