SARA is a member of the Crimson Police, a special female-only team secretly organized within the National Central Investigative Agency.This female corps, also known as the Amazones of Purity, are elites who have undergone special education and training since childhood.She has a surprisingly strong sense of chastity, as if she had been brainwashed, and shows a cruelty that cannot be imagined from her cool expression towards male sex offenders. SARA's ultimate battle begins.