
Quick answer — Minoru Akiba worked on Grand Blue Dreaming (Art Director), Grand Blue Dreaming Season 3 (Art Director), ONIHEI (Art Director) and 8 more anime.
Minoru Akiba worked on Grand Blue Dreaming (Art Director), Grand Blue Dreaming Season 3 (Art Director), ONIHEI (Art Director), Rent-a-Girlfriend Season 3 (Art Director), Rent-a-Girlfriend (Art Director), Sweet Reincarnation (Art Director), Rent-a-Girlfriend Season 2 (Art Director), Rent-a-Girlfriend Season 4 (Art Director) and 3 more.