Quick answer — Yasunari Nitta worked on Akane-banashi (Sub Character Design), Fate/stay night: Unlimited Blade Works 2nd Season - sunny day (Key Animation), One Piece The Movie: The Dead End Adventure (Key Animation) and 8 more anime.
Yasunari Nitta worked on Akane-banashi (Sub Character Design), Fate/stay night: Unlimited Blade Works 2nd Season - sunny day (Key Animation), One Piece The Movie: The Dead End Adventure (Key Animation), Your Light: Kase-san and Morning Glories (Key Animation), Chrome Shelled Regios (Assistant Director), Kaze no Stigma (Character Design), One Piece: Chopper’s Kingdom on the Island of Strange Animals (Key Animation), FORTUNE ARTERIAL: Akai Yakusoku (Assistant Director) and 3 more.