
Quick answer — Akihiko Oka worked on Teasing Master Takagi-san Season 3 (Chief Animation Director), Doraemon (2005) (Key Animation), Fairy Tail (Key Animation) and 7 more anime.










Akihiko Oka worked on Teasing Master Takagi-san Season 3 (Chief Animation Director), Doraemon (2005) (Key Animation), Fairy Tail (Key Animation), Unbreakable Machine-Doll (Key Animation), Hyperdimension Neptunia (Key Animation), Pokémon the Movie: Hoopa and the Clash of Ages (Animation Director), Pokémon the Movie: Volcanion and the Mechanical Marvel (Key Animation), World Break: Aria of Curse for a Holy Swordsman (Key Animation) and 2 more.