
Quick answer — Kimiko Ookura worked on Rent-a-Girlfriend Season 3 (Color Design Assistance), Rent-a-Girlfriend (Color Design Assistance), Rent-a-Girlfriend Season 2 (Color Design Assistance).
Kimiko Ookura worked on Rent-a-Girlfriend Season 3 (Color Design Assistance), Rent-a-Girlfriend (Color Design Assistance), Rent-a-Girlfriend Season 2 (Color Design Assistance).