Four Thousand Years Later, the Archmage Returns

This work is adapted from the Korean comic The Great Mage Who Transcends Time (시간을 횡단하는 대마도사):

The worst student at West Road Academy. The disgrace of the Blake family. A new soul entered Frey Blake's body after he chose death, unable to overcome his miserable life. "What's wrong with this body? I'll have to start by getting it back in shape." The great mage Lucas Trowman, in Frey Blake's body, has been given a chance to take revenge! Please keep following the story!