Tokyo is a dark technopolis, a city of faceless chrome and cold marble. It is ruled by Nogi, a yakuza boss specializing in drugs and murder. He gained absolute power by executing the former boss and marrying his daughter, Chiaki. Only the mysterious Ikko, Chiaki's half-sister threatens him. Inspired by a legendary hit-woman, Ikko calls herself the Black Angel and plans to wash away her father's murderer with a deluge of blood.

Black Angel

Keiko, a young, newly hired weather woman, is eager to give her channel's flagging ratings a boost. She decides a panty shot might do the trick, so during her forecast she lifts her skirt, thereby capturing the attention and the hearts of viewers. Keiko's stunt creates such a stir of excitement over the weather report that viewers begin religiously turning in to see what she'll do next. However, this showboating routine earns the ire of Kaori, the beautiful and ambitious daughter of JTV's chairman. Jealous of her success and aching to take over the weather report, Kaori is willing to do just about anything to get what she wants.