
Quick answer — Rio worked on Mononoke The Movie: The Phantom in the Rain (Sub Character Design), NEEDY GIRL OVERDOSE (Sub Character Design), Trapezium (Character Design) and 2 more anime.
Rio worked on Mononoke The Movie: The Phantom in the Rain (Sub Character Design), NEEDY GIRL OVERDOSE (Sub Character Design), Trapezium (Character Design), Katsugeki TOUKEN RANBU (Character Design), Jimoto Saikou! (Character Design).