Myoudouin Gentarou

Gentarou Myoudouin is Itsuki's grandfather. He's also the principal of Myoudou Academy and the leader of the Family's and town's local dojo.

Personality
He is strict and patient and wise. He teaches his students and his grand daughter Martial Arts and gives wisdom it is about finding him or herself. He lets people do what they want coldly.

Relationships with family
Itsuki-  Itsuki respects him as the elder of the family and sensei of the family dojo. He is strict as her grandfather, but loves her as a grandfather too. He cares about what she wants to do in her heart (example:Fashion, femimine things, cute) and what she loves. He shows to be happy to hear Itsuki honestly telling him and their family about what she loves.