
Quick answer — Youko Kajiyama worked on Demon Slayer: Kimetsu no Yaiba Entertainment District Arc (Sub Character Design), Demon Slayer: Kimetsu no Yaiba Infinity Castle (Sub Character Design), Demon Slayer -Kimetsu no Yaiba- The Movie: Mugen Train (Sub Character Design) and 3 more anime.






Youko Kajiyama worked on Demon Slayer: Kimetsu no Yaiba Entertainment District Arc (Sub Character Design), Demon Slayer: Kimetsu no Yaiba Infinity Castle (Sub Character Design), Demon Slayer -Kimetsu no Yaiba- The Movie: Mugen Train (Sub Character Design), Demon Slayer: Kimetsu no Yaiba Mugen Train Arc (Sub Character Design), Demon Slayer: Kimetsu no Yaiba Swordsmith Village Arc (Sub Character Design), Demon Slayer: Kimetsu no Yaiba Hashira Training Arc (Sub Character Design).