I Became a Martial Saint Because of My Extremely Weak Bones.

The demon defeated the god and took over the world. From that moment on, all living beings are like fish on a chopping board, ready to be harvested by the devil. All living beings are like pigs and sheep kept in captivity and no longer have freedom. Resistance has always existed, but the spark was extinguished again and again before it could start a prairie fire. Countless creatures fell into the hands of the demon god in despair, raising and slaughtering all living beings. He, a chess piece randomly placed by one god, with the help of another god, guarded a glimmer of hope in this desperate world.