Kaoruko Usui is the vice principal of the Central Tanegashi High school in the Robotics;Notes franchise.
Kaoruko Usui is created by 5pb (creator) who has no information regarding any inspiration used to create her. She first appears in episode 1. She is voiced by Toshiko Sawada.
Kaoruko has a hair style that is very conserved. She has multiple buns all pulled back.