Kazuo Sunahara

"« A fast runner can't stop to help the slower one. You run and you prove yourself worthy of this family, forget your brother, I'll take care of him. »"Kazuo Sunahara is a minor character in Fate/Yggdrasil.

Biography
Hisae and Hiro Sunahara's father and Chieko's husband. A severe man who has no time to love his children who are raised to respect the rules of the family and to prove themselves worthy of the latter. This man seems to be violent with his children and although he has no particular interest in the Holy Grail, however in the Second Arc he obliges his daughter to participate in the war to obtain it. The reasons for this are unknown.

He works for the Mage's Association and refused to eliminate his older brother, Kunisada, who had attempted to summon a demon. For hesitating, Kazuo was lowered in rank.