Song Yunxiang, the last Star Soul General of the Human Race, brought the system back to the campus era. When he was a teenager, he was blinded by the incomplete soul, because he was weak and could only watch his relatives and friends die in front of him. In this life, he returned with a system rebirth, with 60 years of combat experience and knowledge and technology, and returned to school. From then on, he used to build mechas to fight monsters...