Detective Asami is on a mission to catch every molester and rapist on her city, she goes to public buses undercover wearing revealing outfits to lure men, when a rapist fall for the trap she collect his semen from her body as an evidence to prosecute him. on one of her usual undercover missions Asami found her self on a bus full of many men she put on jail before, they trapped her and gang-raped her for long hours as a revenge. Asami after being raped by multiple men is more determined, a true hero using her body to make the city safe from rapists.