
Quick answer — Masatsugu Saitou worked on Ninja Slayer from Animation (Character Design), BIKINI WARRIORS: Genkai Toppa, Okite-Yaburi (Original Character Design), Bikini Warriors (Original Character Design).
Masatsugu Saitou worked on Ninja Slayer from Animation (Character Design), BIKINI WARRIORS: Genkai Toppa, Okite-Yaburi (Original Character Design), Bikini Warriors (Original Character Design).