Ken Kurosawa, also known, unfortunately, as Double K. Ken is a savvy street thug with a heart of gold. While he may be a crook, all his earnings go to caring for his ailing sister, Mariko. But Ken's rubbed the wrong people the wrong way and dies rather horrifically in a car bomb. As with Al Simmons, who is referenced several times in this first volume, Double K makes a deal with the devil. He'll trade his soul just to be with his sister again. As with any deal with such nefarious creatures, Ken finds himself "alive" again seven years later. Dressed in a bizarre costume and sporting incredible power, Ken has a new role to fulfill, that of a Hellspawn. A number of questions are raised about Double K's purpose as a Hellspawn and the possible redemption of the wicked. But like the original Spawn the questions are left unanswered in favor of action and comedy.

Before he knew it, Taku Asakawa's position at school had become that of the "bullied kid." In the midst of this miserable existence, he met Hideto-kun, who was overwhelmingly strong! "I want to be as strong as him." he thought, so he's going to join Hideto's gang, starting today! (Source: Yanmaga, translated)

The story starts with Ogata Shinsaku, a homeless 17-year-old boy who was disowned by his father and head of a major company, Tatsumi Takaaki. One day, an old man appears and gives Shinsaku 100 million yen, urging him to use it as he sees fit, so he starts his own company to fight against his father's business empire.

Kome Koji, a freshman at Tako Tanishi High School, bored by his all-female family environment, decided to join the all-men cheering squad to shape up his manliness. However, the cheering party of Tako Nishi was an easy-going group led by Tachibana Kaoru, the leader of the group who loves women and only picks up girls. At first, he was disappointed, but when he found out that his easy-going seniors are actually enthusiastic and hard-working, he encounters various incidents later.

There was once a time in this country when the raging souls of the young were etched into the asphalt by the sound of explosions and the stains of melted rubber, blood, and oil. This legendary tale about a motorcycle gang by Kenichiro Iwahashi, a leading figure in the yankee world, and Juzo Tokoro, a leading artist of motorcycle gang manga, is born! The semi-autobiographical legend of the man once feared as "Devil Dolphin" is now being candidly told! (Source: Akita Shoten, translated)