Quick answer — TakayaKi worked on Arifureta - From Commonplace to World's Strongest: The Miraculous Meeting and the Phantasmagorical Adventure (Original Character Design), Arifureta: From Commonplace to World's Strongest Season 2 (Original Character Design), Arifureta: From Commonplace to World's Strongest Season 3 (Original Character Design) and 5 more anime.
TakayaKi worked on Arifureta - From Commonplace to World's Strongest: The Miraculous Meeting and the Phantasmagorical Adventure (Original Character Design), Arifureta: From Commonplace to World's Strongest Season 2 (Original Character Design), Arifureta: From Commonplace to World's Strongest Season 3 (Original Character Design), Arifureta Shokugyou de Sekai Saikyou 2nd season Special (Original Character Design), Arifureta Shokugyou de Sekai Saikyou Prologue (Original Character Design), My Stepmom's Daughter is My Ex (Original Character Design), Arifureta: From Commonplace to World's Strongest Specials (Original Character Design), Arifureta: From Commonplace to World's Strongest (Original Character Design).