
Quick answer — Toshi Aoi worked on Wistoria: Wand and Sword Season 2 (Original Character Design), Wistoria: Wand and Sword (Original Character Design), Tsue to Tsurugi no Wistoria Season 3 (Original Character Design).
Toshi Aoi worked on Wistoria: Wand and Sword Season 2 (Original Character Design), Wistoria: Wand and Sword (Original Character Design), Tsue to Tsurugi no Wistoria Season 3 (Original Character Design).