Super Necromancer System - Chapter 40: Secret Boss III

Regardless on how developed a society becomes, assassins and prostitutes will never cease to exist. There’s no need to think of the former as anything mysterious, and there’s no need to look down on the latter. They are simply doing their jobs.

When Tang En crossed over planes, he was forced into this murderous and hopeless profession.

“You have great talent for assassination.”

Tang En: “Huh, I have this kind of talent?”

“That’s right, your looks are exceedingly plain, this is very useful to assassins.”

“……” Tang En, “But I haven’t even managed to kill a chicken.”

“Irrelevant, assassins don’t need to kill chickens, only people.”

“……”

The story is about a plain college graduate crossing over worlds after dying in an awkward situation. Inheriting the game-like Assassin System and a badass butler from the transition, he now has to adapt to survive in this dangerous, new world. Set in a Western Fantasy Universe.

- Description from Novelupdates

When Simon dies, it turns out there's more to combat than lightning reflexes with his controller, and the path to becoming a hero is more brutal than he can imagine as he descends into The Pit. Death after Death is a dark, time loop/Isesaki story with roguelike elements, that explores some of the common tropes in a different light.

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

- Description from Novelupdates

After crossing the first day, Hu Xiaoxiao beat the Emperor.On the second day of travelling, Hu Xiaoxiao beat up the Imperial Consort.The third day after crossing …“The empress has left the palace!”However, before he could walk out of the city gate, Hu Xiaoxiao was carried back by a man.The extraordinarily handsome emperor was so angry that he laughed sinisterly, “You haven't even given birth to your son yet, where do you want to run to?”