When the people of Jian’s village inexplicably turn on each other, he and his cybernetic arm are powerless to stop the deadly tragedy. He seeks the one responsible, only to run into the mysteriously powerf...

Original Manhua

In this world, demons threaten to emerge from corrupted hearts. To protect everyone, each person's chest is installed with a Heartlock with varying degrees of security. But young Louis can afford only the si...