
Quick answer — Yuuna Itsubo worked on HELL MODE: The Hardcore Gamer Dominates in Another World with Garbage Balancing (Sub Character Design), HELL MODE: The Hardcore Gamer Dominates in Another World with Garbage Balancing Season 2 (Sub Character Design).
Yuuna Itsubo worked on HELL MODE: The Hardcore Gamer Dominates in Another World with Garbage Balancing (Sub Character Design), HELL MODE: The Hardcore Gamer Dominates in Another World with Garbage Balancing Season 2 (Sub Character Design).