20XX... There was a global conflict, and violent crimes were rampant in the rebuilt Second Tokyo City. - Mio Tsukumori, the female chief of Tsukima City, judges evil by law as a female chief during the day. - At night, she wore her special reinforced suit left behind by her late husband, mercilessly exterminating evil that could not be judged by law, and protecting the security of Tsukima City. - Wearing her reinforced suit, she was called "Dark of Darkness" by the public, and was charismatically popular with the citizens. - On the other hand, for the evil that spreads in the city, she was a very nasty and annoying existence. - A small circus troupe is coming to town. - The circus was suspected of being involved in a series of kidnappings. - The corrupt organization is unreliable, so she becomes Dark and infiltrates the circus. - However, the careless Daruk falls into the trap of the circus and is turned into a spectacle... - [BAD END] More..