She is the Junker Headquarters Operator.
Mika graduated from Kobe City University with a double major in Criminal Psychology and Municipal Data Management. Mika comes from a mixed Jewish and Japanese household. After graduation, she joined the Neo Kobe Special Criminal Research Center. After leaving that, she assumed her current position at the Junker Agency.

While at the Special Criminal Research Center, Mika solved many bizarre murder cases. Mika is a natural empath and excels at achieving a kind of intellectual empathy with people. She used this technique in order to solve many crimes, but the emotional toll was too heavy, and she was forced to retire early. Mika joined the Junker Agency as a result of a strong letter of recommendation from the Junker Chief.

Mika is a uniquely beautiful woman with a cool exterior which conceals her passionate heart.