
Quick answer — Mamare Touno worked on Log Horizon (Original Story), Log Horizon 2 (Original Story), Maoyu: Archenemy & Hero (Original Creator) and 1 more anime.
Mamare Touno worked on Log Horizon (Original Story), Log Horizon 2 (Original Story), Maoyu: Archenemy & Hero (Original Creator), Log Horizon: Destruction of the Round Table (Original Story).