MTL - Class Teacher System - Chapter 106 Save the savior

Anyone who could construct a stable Spell Model could become a Wizard — that was the Wizards’ ultimate secret! Having been given a new life as the son of an aristocrat and armed with a super quantum computer from his past life, Spell Models came as easily as breathing to Merlin. With this overwhelmingly huge advantage, would Merlin become the greatest Grand Wizard of all time?

- Description from Novelupdates

Protagonist travels between different anime worlds to right wrongs and uncover his reason for being along the way.

At the end of the road, in the throes of despair and impending death, Le Yu shouted defiantly:“If you have the guts, then kill me.”The enemy sneered and said:“I've never heard such a strange request.”Le Yu died.Then Le Yu came back to life, living in the enemy's body.This is a story where being killed means possessing the killer.“Why are the ones who kill me always some enigmatic, cunning figures with complicated backstories and numerous impending quests?Why aren't there some honest, wealthy, lady-charmer winners in life coming to kill me!?”

The issue that originally preoccupied Tang Xian’s thoughts was whether, amidst these world-destroying bosses, he should be a hero for just a second or continue to pretend to be a boss. Later, he realized that, in the midst of pretense, he had actually become genuine...