The Sword Steps into the Sky

Gu Yingxiao, a kid who gets into trouble every day, suddenly received an admission notice called "Jiuxiao Academy" one day after passing the college entrance examination. Looking at the strange school name, I couldn't find it online, so I dismissed it and threw it aside. Because his girlfriend said: "I don't like bad kids." After seeing this admission notice again, Gu Yingxiao decided to go to even a bad school. After leaving a letter to his girlfriend, Gu Yingxiao packed his bags, looked at the address on the admission notice, and moved towards his future. But he never expected that this 'Nine Heavens Academy' would be... Jiuxiao Academy is in the thirteenth dimension of parallel and real world. Billions of years ago, after the war between humans, ghosts, beasts, and demons, a young man who was about to ascend to immortality used the power of the patrolling god to seal the "ghosts, beasts, and demons" back to his own world, and opened up this thirteenth-dimensional space to lock people in. Jiuxiao Academy will send invitations to the present world every 20 years. Let the outstanding descendants of the ancient families come to this space to study. But… Hundreds of millions of years have passed, and the original seal is slowly weakening. Coming soon…