
Quick answer — Ruri Miyahara worked on The Kawai Complex Guide to Manors and Hostel Behavior (Original Creator), The Kawai Complex Guide to Manors and Hostel Behavior: First Time (Original Creator), Love Lab (Original Creator).
Ruri Miyahara worked on The Kawai Complex Guide to Manors and Hostel Behavior (Original Creator), The Kawai Complex Guide to Manors and Hostel Behavior: First Time (Original Creator), Love Lab (Original Creator).