
Quick answer — Shunsaku Usui worked on Yuki Yuna is a Hero: The Washio Sumi Chapter (CG Director), Yuki Yuna is a Hero: The Great Mankai Chapter (CG Director), Stardust Telepath (CG Director) and 1 more anime.
Shunsaku Usui worked on Yuki Yuna is a Hero: The Washio Sumi Chapter (CG Director), Yuki Yuna is a Hero: The Great Mankai Chapter (CG Director), Stardust Telepath (CG Director), Granblue Fantasy: The Animation Season 2 (CG Director).