He returned to his youth and came to the 21st century. He only wanted to be an ordinary high school student. Fission phenomena occurred frequently, abnormal creatures revived, and the system became normal. The once prosperous martial arts and witchcraft have come to an end. New In order to upgrade and evolve, the rising aliens are carrying out various plot tasks in the hidden corners of major cities around the world. The world's top state agencies, alien groups, and scientific organizations are frantically exploring and studying fission phenomena for this purpose. Li Yue suddenly He discovered that the so-called fission phenomenon had already been studied and conquered a long time ago.