Mina Ashiro (亜あ白しろ ミナ, Ashiro Mina) is the captain of the Third Division of the Defense Force and the childhood friend of Kafka Hibino.

Yoo Mina (유미나), is a Futanari Counter and one of the protagonists of Counter:Side. She is a 19 year-old Grade C counter hired by the Coffin Company TASKFORCE and the newest member of the Fenrir Squad. She was hired after being terminated from two other companies due to reckless behavior, insubordination during operations and objection to term of payment. She operates through the squad's license due to still being a probationary operative not fully certified by the Administration yet.