
Quick answer — Sei Nishikiori worked on I Was Reincarnated as the 7th Prince so I Can Take My Time Perfecting My Magical Ability Season 2 (Character Design), I Was Reincarnated as the 7th Prince so I Can Take My Time Perfecting My Magical Ability (Character Design).
Sei Nishikiori worked on I Was Reincarnated as the 7th Prince so I Can Take My Time Perfecting My Magical Ability Season 2 (Character Design), I Was Reincarnated as the 7th Prince so I Can Take My Time Perfecting My Magical Ability (Character Design).