
Quick answer — Hitomi Ochiai worked on The Pet Girl of Sakurasou (Prop Design), High School of the Dead (Sub Character Design), High School of the Dead: Drifters of the Dead (Sub Character Design).
Hitomi Ochiai worked on The Pet Girl of Sakurasou (Prop Design), High School of the Dead (Sub Character Design), High School of the Dead: Drifters of the Dead (Sub Character Design).