Akira Manaka, a female police sergeant working undercover as a man in the Third Security Division of Ookayama Central Police Station. Living as a male detective, she dedicated herself to upholding justice and dismantling a criminal organization. However, she fell into a trap set by the syndicate, exposing her true identity as a woman. Forced to confront life as her real gender, she endures a relentless series of brutal, climax-inducing ordeals. For Akira, who regrets embracing womanhood and longs to live as a man, an ultimate humiliation closes in.