Claire Hasumi, a female investigator who has both the coolness to calmly analyze the situation and the boldness to take action without regard for danger, has gained tremendous trust from the upper management.A new mission for Claire...It was a mission to uncover the whole picture of the illegal dark martial arts <Underground Cat Fight Club>.Claire immediately dresses up as a fighter and participates in the catfight club, and approaches her torso, but it seems that there is some sort of kinky connection with Emma, ​​who is her torso...