
Quick answer — Hiroko Umezaki worked on Josee, the Tiger and the Fish (Color Design), MUSHI-SHI OVA (Color Design Assistance), MUSHI-SHI The Next Passage Special - Path of Thorns (Color Design Assistance) and 7 more anime.
Hiroko Umezaki worked on Josee, the Tiger and the Fish (Color Design), MUSHI-SHI OVA (Color Design Assistance), MUSHI-SHI The Next Passage Special - Path of Thorns (Color Design Assistance), MARRIAGETOXIN (Color Design), Noragami OVA (Color Design), Rozen Maiden: Ouvertüre (Color Design), Xam'd: Lost Memories (Color Design), Yozakura Quartet (Color Design) and 2 more.