World Teacher – Other World Style Education & Agent - Chapter 161: For the Sake of Those to Protect

Stranded in a world not his own, in a body not his own, Kaden finds himself stuck as a low rank marine in treacherous waters in the middle of an ocean where only the strongest can survive and a count down until a war that would shake the oceans and the very world itself erupts, where the kings of the sea will devour the chum. Gamer System. Insert.

The Venerable Xiang Yu, an eccentric villainous half-blood demon King was infamous in both the demon and human realm for being a cold-blooded ruthless devil that could kill with no remorse.Demons and humans feared him, cultivators wanted him as a trophy and the immortals saw him as a thorn in their side.The only reason he didn't get smote by the Heavenly King's searing lightning of divine wrath that could kill all mortals and immortals was because he kept the deadliest demons in check maintaining peace between the two realms.Despite his reputation, he had a small cult following in the human realm. They took him as their deity for his selfless acts of benevolence.Such rare selfless acts led him to rescue the fallen immortal Han Xin. But his benevolence became his downfall. Condemned to death, he faced an impossible choice: serve the Heavenly King or die with no marked grave.Xiang Yu: Hahaha... death isn't so bad after all.Heavenly King: You...Han Xin: Wife, you can't escape even in death. At least when you are alive you have a chance to run.Xiang Yu: QAQ...

“One Generation Immortal Venerable” Luo Chen was attacked and reborn and returned to Earth.

He is an ordinary person, facing the contempt of his girlfriend, the ridicule of his rivals, the miserable life of his parents, and the threats and provocations of the rich and young.

He vowed to change the injustice of fate, stand on the pinnacle of this world, and tell everyone that Luo Chen had been here.

- Description from MTL

I finally managed to kill the demon lord.