
Quick answer — Keiichi Arawi worked on Nichijou - My Ordinary Life (Original Creator), CITY THE ANIMATION (Original Creator), Nichijou - My Ordinary Life: Episode 0 (Original Creator).
Keiichi Arawi worked on Nichijou - My Ordinary Life (Original Creator), CITY THE ANIMATION (Original Creator), Nichijou - My Ordinary Life: Episode 0 (Original Creator).