
Quick answer — Gen Okuda worked on The Duke of Death and His Maid Season 3 (Music), The Duke of Death and His Maid Season 2 (Music), The Duke of Death and His Maid (Music).
Gen Okuda worked on The Duke of Death and His Maid Season 3 (Music), The Duke of Death and His Maid Season 2 (Music), The Duke of Death and His Maid (Music).