
Quick answer — Kenji Hayama worked on Journal with Witch (Character Design), Natsume's Book of Friends the Movie: Ephemeral Bond (Key Animation), To Your Eternity (Animation Director) and 7 more anime.
Kenji Hayama worked on Journal with Witch (Character Design), Natsume's Book of Friends the Movie: Ephemeral Bond (Key Animation), To Your Eternity (Animation Director), Princess Jellyfish (Character Design), Tiger & Bunny (Character Design), Getter Robo: Armageddon (Character Design), Giant Robo the Animation: The Day the Earth Stood Still (Animation Director), Cardcaptor Sakura: Leave it to Kero! (Key Animation) and 2 more.