Sayuri's father

Sayuri's father (佐祐理の父) is very strict and raised Sayuri without spoiling her.

Background
Sayuri's father is a member of the Diet, Japan's legislative body. He is an authoritative parent, portrayed as constantly scolding his daughter. This is instilled in Sayuri when she watches over Kazuya, constantly attempting to toughen him up due to his physical weakness.