Tatsumi Ishihara

The dead return to life as cruel predators - the so-called "returners" have spread all over the world. Only a few survivors succeeded in escaping from this madness. They are submerged in remote areas, because the cities were completely occupied by the returners. There is only one person who still daggers in the cities: the Undertaker. A dark hero, a champion of the battlefield and equipped for the world after the apocalypse, starts his own personal revenge campaign.

Takeshi Hongo is a promising young man with a passion for motorcycle racing. However, his dreams are suddenly ruined when he gets kidnapped by Shocker, the evil secret organization planning to dominate the world. After being remodeled into a cyborg, Takeshi escapes and swears to protect the world from the inhuman monsters.