
Quick answer — Hiroko Tanabe worked on Stella of the Theater: World Dai Star (Art Director), A3! Season Autumn & Winter (Art Director), A3! Season Spring & Summer (Art Director) and 6 more anime.
Hiroko Tanabe worked on Stella of the Theater: World Dai Star (Art Director), A3! Season Autumn & Winter (Art Director), A3! Season Spring & Summer (Art Director), Let's Make a Mug Too 2 (Art Director), Monster Musume: Everyday Life With Monster Girls (Art Director), Recently, My Sister Is Unusual (Art Director), Dusk Beyond the End of the World (Art Director), Let's Make a Mug Too (Art Director) and 1 more.