Seventeen years after the Red Fog Catastrophe swept across the world, the civilization of the old world has been in ruins. Terrifying aberrant creatures breed in the scarlet fog, and humans are huddled behind the high walls of the "Steel Dome" to survive. The exiles without authority can only exchange flesh and blood and courage for a glimmer of life in the ruins where radiation and monsters are rampant.
Jinnian, an ordinary exile struggling in the ruins, accidentally triggered the scarlet card system, the legacy technology of the "Scarlet Project" before the disaster. An energy card engraved with a silver-winged giant eagle became a turning point in his destiny: summoning combat units that merged machinery and biology, analyzing the weaknesses of aberrant creatures, strengthening cards to unlock devastating skills... What was once a desperate situation for survival has become a battlefield constructed with cards.
The ferocious plunder of the Iron Hand Gang, the ruthless pursuit of the Steel Dome, and the deadly threat of the aberrant lord are closing in step by step; and the truth behind the "Scarlet Project" hidden behind the card system, the mysterious clues left by his parents, and the secret card realms scattered throughout the ruins guide him into a deeper fog.
When the source energy flows in the cards, and when the silver wings cut through the red mist, Jinnian will use the cards as a blade and wisdom as a shield to form an exclusive deck in the ruins of doomsday to fight against aberrant monsters and unpredictable people. Not only does he have to protect the refugee settlement behind him, but he also has to uncover the ultimate secret of the catastrophe - is this scarlet card the salvation of human civilization or the prelude to destruction?
In this apocalyptic world where life and death are determined by cards, every battle is a game of cards, and every decision is a matter of life and death. Jinnian's
