[In-depth + connotative + cool writing + not brainless] In the battle between humans and demons, the demons were defeated. Su Yu, the son of the demon god, was living in the world. He was implanted with new memories by Wang Xicheng, the dean of the Royal Academy of Magic, in an attempt to transform him into a machine to kill the demons. In a series of thrilling experiences, Su Yu gradually recovered his lost memories, and finally pulled out the Abyss King Sword, revealing the secret of the war between humans and demons.
