Quick answer — Soudai Suwa worked on Chillin' in Another World with Level 2 Super Cheat Powers (Character Design), Combatants Will Be Dispatched! (Character Design), Reign of the Seven Spellblades (Character Design) and 1 more anime.
Soudai Suwa worked on Chillin' in Another World with Level 2 Super Cheat Powers (Character Design), Combatants Will Be Dispatched! (Character Design), Reign of the Seven Spellblades (Character Design), The Legend of Heroes: Trails of Cold Steel - Northern War (Sub Character Design).
