Tokyo Raven and Metal City were both excellent novels with their own unique plots and styles. If you want to watch one of them first, you can choose according to your personal preferences and reading preferences. If you like suspense, crime, and sci-fi novels, Tokyo Raven might be more suitable. It tells the story of how a seemingly ordinary high school student gets involved in a mysterious conspiracy and finds himself a key figure in the entire criminal organization. The novel is packed, fast-paced, full of thrills and suspense, and is well worth reading. Jia Tiecheng, on the other hand, was a more tender, emotional, and delicate novel. It tells the story of a young engineer struggling between technology and humanity, as well as how to get along with his family and friends. The story and emotional expression of this novel are very profound and suitable for readers who like emotional novels. Tokyo Raven and Metal City were both highly recommended novels. There was a lot of room for exploration in the storyline and ending. If you like suspense, crime, and sci-fi novels, you can read Tokyo Raven first. If you like emotional, sensual, and delicate novels, you can read Armor City first.