
Quick answer — Xuan Ku worked on The Daily Life of the Immortal King Season 5 (Original Story), The Daily Life of the Immortal King Season 4 (Director), The Daily Life of the Immortal King Season 2 (Original Story) and 2 more anime.
Xuan Ku worked on The Daily Life of the Immortal King Season 5 (Original Story), The Daily Life of the Immortal King Season 4 (Director), The Daily Life of the Immortal King Season 2 (Original Story), The Daily Life of the Immortal King (Original Story), The Daily Life of the Immortal King Season 3 (Original Story).