I Asked You to Teach Instead of Taking Students to the Battlefield.

The rift in time and space opens, monsters invade, and the end comes. The world has entered the era of high martial arts. Before Su Bai was reborn, he was the only remaining twelfth-level martial saint in mankind, but he died together with the monsters, and mankind was about to become extinct. After being reborn, he became a substitute teacher, returning to the time when the rift first opened. How to save the building from falling? See how he brings his students and disciples back to the top in this life, fights into other worlds, and restores peace to the world!!! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.