MTL - I - Chapter 4 004【Killing and Overselling】

Three years ago, Yun Qing Yan fell into the Immortal Realm from the mortal realm. Three thousand years later, he became Divine Emperor Yun who shook the entire Immoral Realm. Breaking through the void and returning back to the mortal realm, Yun Qing Yan discovered that only three years’ time had passed here. “In the past, I did not possess the power to protect the people I hold dear. Now, I want the entire world to grovel at my feet.”

- Description from Novelupdates

Being given a chance and reincarnated is nice and all, yet why do I have to become that male friend who just watches the protagonist flirting with his harem?---World: Kaguya-sama: Love Is War - Hyouka ----

“There are no heroes in war, only monsters.”This was an outlook that Sato Katsuro, a man in service to the military, formed after being broken down by years of gore-filled battle.It was an outlook that he took even to his grave...but what about beyond it?Reincarnated into a new world of fantasy and tasked to be the very thing he'd given up on becoming, Sato would have to fight a new war. A war between mankind and an oppressive enemy regime run by a cohort of demons.But, as Sato learned in his past, war wasn't always what it seemed. In war, truths were lies, friends lurked as enemies, and the so-called heroes...they were often the villains.

Lin Tian, who had reincarnated into the world of One Piece ten years ago met Garp, who was on duty to eradicate pirates, and become his student.