Quick answer — Masazumi Matsumiya worked on REBORN! (Art Director), Real Girl 2 (Art Director), Dragon Ball Z: Cooler's Revenge (Art Director) and 7 more anime.
Masazumi Matsumiya worked on REBORN! (Art Director), Real Girl 2 (Art Director), Dragon Ball Z: Cooler's Revenge (Art Director), Didn't I Say to Make My Abilities Average in the Next Life?! (Art Director), Am I Actually the Strongest? (Art Director), Real Girl (Art Director), The Night Beyond the Tricornered Window (Art Director), Monster Musume Everyday Life With Monster Girls: Hobo Mainichi Oo! Namappoi Douga (Art Design) and 2 more.