Synopsis:

Tianyu, the most unlucky high school student in history, signed a contract with the most powerful mechanical beast No. 37 in the universe. The demon company that came to the universe managed to recover No. 37 in order to rule the universe, so it started to deal with the high school student Tianyu. Sought after. Tianyu turned into a superhero to save the universe at this time, but his unlucky temperament made him fight on the edge of life and death. What will happen in the end, please see Iron Arm No. 37.