Become the Master of the Universe from High School

[Rebirth x campus x slap in the face x battle of wits] The peerless genius Fang Yuan led the human race to dominate the universe, but was besieged by many immortal emperors due to jealousy. He had no choice but to be reborn. He went back hundreds of millions of years in the turbulence of time and space, returned to middle school, and relived his life. What choice will Fang Yuan make?