SONOCA card (physical card with a download code printed on it)
Reward from the Twitter campaign which ran from September 21 to September 27, 2018. Limited to 300 copies.
Album was composed by HiguUmi Sound / Luck Ganriki / Xaki / zts and was released on October 27, 2018. Soundtrack consists of 9 tracks tracks with duration over . Album was released by Square Enix.
CD 1
| 1 | your garden | | |
| 2 | blackstarlight | | |
| 3 | lingering affection | | |
| 4 | nonstandard fiction | | |
| 5 | 冥闇ワルツ | | |
| 6 | Candy in the Dark | | |
| 7 | Beyond The Kaos | | |
| 8 | Ignitioner | | |
| 9 | 超一閃 | | |
