Kaiju No. 8 -Mina Ashiro- (The Metallic)Mina Ashiro is a major supporting character in the anime series, Kaiju No 8. Mina is the Third Division Captain of the Defense Force and a childhood friend to Kafka Hibino. As the captain of the Third Division, Mina is capable of using a high amount of the combats power suit, currently able to unleash 96%. Despite her tough exterior as a captain, Mina is authentically a caring person and always tries to keep her subordinates safe in battle. Approx. 6.