After Hundreds of Years of Cultivation, My Mother Told Me to Go to School!

Li Yichen accidentally broke into the world of cultivation. Five hundred years later, he was surrounded by enemies. He accidentally fell into Wangtianya and accidentally returned to Earth. Now that he was able to overcome tribulations, he thought that the earth had already gone through great changes, but he didn't know that it had only been a summer vacation... As a result, Dongyuan University welcomed a new student who was able to overcome calamities! "You know nothing about the strength of the great tribulation master!"