What is "real supremacy" hidden in the depths of women? Also, what is the "battle between goodness and demons hidden in human beings" depicted in cruel scenarios? This is a super-luxury special ver of the Women's Advisory Institute, which approaches such severe themes. In an emergency situation in which female investigators become missing one after another, the Bureau of Investigation entrusts investigation to Rinna (Shinnohana), an out-of-standard female investigator with a clear brain and Masumi (Renjiku claire), a queen who is a specialist in information collection.