
Quick answer — Sakura Miwabe worked on Rich Girl Caretaker: I'm Secretly the Caregiver of the Most Popular Girl in This Rich Kid School (Original Character Design), I'm Giving the Disgraced Noble Lady I Rescued a Crash Course in Naughtiness (Original Character Design).
Sakura Miwabe worked on Rich Girl Caretaker: I'm Secretly the Caregiver of the Most Popular Girl in This Rich Kid School (Original Character Design), I'm Giving the Disgraced Noble Lady I Rescued a Crash Course in Naughtiness (Original Character Design).