
Quick answer — Takaharu Ookuma worked on YuruYuri Season 2 (Assistant Director), YuruYuri (Assistant Director), Dead Mount Death Play (Assistant Director) and 7 more anime.
Takaharu Ookuma worked on YuruYuri Season 2 (Assistant Director), YuruYuri (Assistant Director), Dead Mount Death Play (Assistant Director), Diary of Our Days at the Breakwater (Director), Mitsudomoe (Character Design), The Troubled Life of Miss Kotoura (Character Design), My Deer Friend Nokotan (Assistant Director), UzaMaid!: My Maid Is Still Seriously Way Too Annoying... (Assistant Director) and 2 more.