Nightmare Scenario

The Badan Empire killed Ryo Murasame's older sister, and he had been cybernetically remodeled into ZX. However, he regained himself after an accident and stood up fearlessly.

Matoba Kokingo, who once served as a retainer for a hatamoto, becomes disillusioned with his master and elopes with his lover, Oyuki. They flee their lord's household, taking with them 30 ryō of official funds. However, the money is stolen from them at an inn, and shortly after, Oyuki dies of illness. Eight years later, Kokingo has fallen into disgrace, now making a living as a ronin who specializes in extortion. One day, he attempts to extort a restaurant owner named Hanzo, only to discover that Hanzo was the very thief who stole the 30 ryō from him eight years ago…

After the Tenryu-kai kill the Kameda-gumi boss and Wakagashira, the Kameda-gumi move to wipe them out. Executives Saigo, Katsuragi, and Hidaka exploit a weakness in Tenryu-kai officer Hashida to locate their hideout, setting the stage for a brutal all-out war.

Using his strong sense of justice, Uragami Ryuji gains influence at both the factory and school. Though a dispute with the Nio-kai yakuza is once settled, their renewed provocation leads Ryuji and his followers to quit the factory and confront the Nio-kai directly.

The story begins with the two protagonists returning to Japan from Australia, where they were on vacation. News of a robbery comes in, and the two rush to the scene, neglecting their official duties. By chance, they become involved in a major crime, and are confronted by the culprit.

A two-story omnibus that tells a mysterious story that happened on a moonlit night.

In the late 1950s, Uragami Ryuji leaves his hometown with big ambitions. Working at a factory by day and attending night school, he witnesses a yakuza clash where a fearless man stands his ground against several opponents. The sight awakens a burning determination within him.