
Quick answer — Masato Mitsuka worked on One Piece: Stampede (Storyboard), Witchy Precure! (Director), Clannad: The Motion Picture (Assistant Director) and 2 more anime.
Masato Mitsuka worked on One Piece: Stampede (Storyboard), Witchy Precure! (Director), Clannad: The Motion Picture (Assistant Director), Digimon Ghost Game (Director), Digimon Adventure: (Director).