Shirokawa Gonzou is the the principal of Shirokin Gakuen, and is also the second son of the school's founder. He is determined to keep the school going especially when his older brother, Shirokawa Ganichiro, continuously attempts to shut the school down.
Principle in the front center
Happy Gonzou with Shin and Yamaguchi
Gonzou wayyy behind Kumiko and Shin
Mimicking how he thought Kumiko and Shin were talking