Wicked City, A dark dangerous Anime, where anything can happen. This anime is set at the present, when a Treaty between our world and the Black World, is about to expire. An important person to be at the signing of the new treaty, Mr. Miart needs to be protected, So The Humans assign Taki Renziboro and his new Black World assistant Makie, to protect. Mr. Miart. Some renegades try to stop them from doing their job.