
Quick answer — Koucha Agasawa worked on You and I Are Polar Opposites (Original Creator), The Ramparts of Ice (Original Creator), You and I Are Polar Opposites Season 2 (Original Creator) and 1 more anime.
Koucha Agasawa worked on You and I Are Polar Opposites (Original Creator), The Ramparts of Ice (Original Creator), You and I Are Polar Opposites Season 2 (Original Creator), The Ramparts of Ice Season 2 (Original Creator).