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.
足城美奈(Aashiro Mina、足城美奈)是防卫军第三师团的队长,也是卡夫卡·日比野的儿时好友