Gods and Demons Walking

Gods favor geniuses, devils bet on madmen. But in their eyes, all living beings in the world are just chess pieces that can be manipulated at will. But every battle, every obsession, and every drop of blood and sweat in life will leave a "soul mark" on the soul. Tempering the "soul seal" means tempering oneself. The "seal" is the only hope to break free from the chessboard. . . ? Can a young man with the "Illustrated Book of Mountains and Seas" find a different path on the chessboard of gods and demons, or can he overturn the chessboard?