Sung Jin-woo, an E-rank Hunter — the lowest tier — gains extraordinary abilities after a near-death experience. As he levels up, he becomes humanity's unexpected hope, defending against monstrous threats emerging from beyond the mysterious Gates.
In the year 199X, the world was engulfed in nuclear fire!! Yet...humanity somehow survived!! A lone man with seven scars on his chest emerges. His name is Kenshiro, heir to Hokuto Shinken. In a world where only the strong survive, Kenshiro forges a path with his iron fists!
Through an unexpected turn of events, an ordinary elementary school student, Hiro Enryu, finds himself in the world of the "Dragon Collection" game. This is a world called Dragon Earth, where gods, humans, and monsters exist side by side. Those who roam this world using a magic book, called a Grimoire, and cards to summon monsters and search for treasures that bear the powers of dragons are called Dracolle Battlers. Despite his bewilderment, Hiro becomes a Dracolle Battler and, together with the friends he meets there, begins his adventure to become a legendary Dragon Master!
The story centers on an RPG that people call "kusoge" ("crap-tier game," referring to games with quirky or badly implemented mechanics & design). The main character Lidays decides to change the game's story, meeting with other characters while the game isn't being played. But as they flub their lines, the situation spirals out of control.
8 years ago, Western Civilization visited 19th century Japan. Mechanized dolls and new steam-powered creations began spreading throughout the country. The Wind Gang is a group of doll and steam users who believe in using their creations to violently bring about a new Industrial Era. They attack and destroy the peaceful village of a young doll user named Hiwou one day. Hiwou and his friends escape with a giant doll named Homura. Hiwou now wants to find his father, so that he can help defeat the Wind Gang, and bring peace back to Japan.