Main plot: He is the king of another world, making everyone feared. The demon king Gu Qianye was sealed by Feng Lihen at the cost of his soul in the duel with the lord of the fairy world. However, he was accidentally bound to System 001 and traveled around the world. As a villain, watch how the ruthless demon fights wits and courage with the male protagonist, pushes away the female protagonist, violently brutalizes the male protagonist, and fulfills the wish of cannon fodder.
Hidden line: He was originally the son of life, but he turned into a devil. Brothers turn against each other, best friends become enemies, and thousands of years of grudges arise. When facing hell, when the mind is no longer pure, when emotions disappear, when the body is reshaped, from immortal to demon,
The Demon Lord returns and the three realms are in chaos.
Intention: love