Set in the same timeline as the Polyphonica Crimson series.

Each title is written in the format Shinkyoku Polyphonica title Black (神曲奏界ポリフォニカ title・ブラック )

1. Inspector 2. Silent 3. Player(s) 4. Triangle 5. Resolution 6. Patient 7. Memoirs (Memowazu / メモワーズ ) 8. Reliance 9. Isolation 10. Liberation 11. Adoration 12. Promised 13. Advent

Following the authors death in 2010, the future of the series is unknown.