I Have A Demon God Simulator - Chapter 6 - : Martial Arts, First Kill

People in the World of Naruto: Drinking Makes You Stronger
 Author: Half a Piece of OrangeYouyu, a man who found himself transported into the Naruto world, awakened a rather unusual system:The more he drinks, the stronger he becomes!• Raikage: “What?! I have the strongest defense—wait, why did Youyu just slice through me while drinking?!”• Hiruzen Sarutobi: “That guy’s a monster. I’ve never seen him train, only drink... yet he still cut me down in an instant.”• Madara Uchiha: “Dancing? Tch. That drunk bastard swayed his way over and chopped me up!”• Obito Uchiha: “Damn it! Even space-time jutsu can’t stop that drunk maniac!”Youyu: “My hobbies? Drinking... and cutting people down.”

Traveling to Los Angeles in the 1990s, Roland Allen, who had been beaten by society, thought that he would live an ordinary life in this life, but just when he was about to change careers, reincarnation began——

The number of roles is all determined by default, so they are all related households everywhere?

Sorry, as long as the hoe is swung well, there is no corner that cannot be dug.

- Description from novelbuddy

Levi never expected his life to end at the hands of his childhood toy truck. But death gave him no rest— he awakened in the world of his favorite novel, not as a hero or a villain, but as an unnamed background character: the butler.Now bound to the Kindlehart Clan as a servant to one of the heroines, Levi inherits the absurd Butler System, which rewards him for polishing silverware, brewing tea, and bowing politely.But behind his sharp lavender eyes and flawless etiquette hides deep resentment. He refuses to accept a fate where his family’s generations of servitude end with him dying as a disposable sacrifice.To survive— and to rise— Levi must exploit his foreknowledge, play the perfect butler, and outwit the very world that sees him as nothing more than a servant.After all, even pawns have the potential to become kings.#Pure villain #Selfish MC

The end of all worlds approaches.

The Demon King Order harvests lives from all manners of living beings.

Within this darkness full of despair,
A single person escaped from space-time, returned to before the world collapsed, determined to change the fate of the past.

But as time pass, he gradually finds out that the Apocalypse isn’t quite as simple as he thinks…

- Description from novelupdates