Evil MC's NTR Harem - Chapter 12 - Threshold (R18)

Arakawa Kouki is reincarnated to a Japan with a different history than the Japan he knows with the memories of his previous life still intact. Kouki was discouraged, “Aren’t reincarnation stories supposed to be at some fantasy world filled with swords, magic and elves?!”

In the chaotic world of Ancient Greece, a modern soul is reborn into the body of a young warrior. Armed with knowledge of future empires, military tactics, and innovations, he has no mercy for his enemies as he sets his sights on dominating the Mediterranean. Ruthless and ambitious, he will use every advantage at his disposal to rise to the top. From the heights of Athens to the streets of Rome, alliances will be forged, rivals crushed, and a new empire built from the ashes of the old. In a chaotic time full of treachery and power struggles, only the strong survive.Dont read yet the novel is a complete mess it will be fixed by the day after tomorow give it a try by then.

Xu Jun finally defeated the BOSS–the Dark Demon King, in this stand-alone, virtual reality game. When he wanted to go out to browse Weibo and express his mood, he suddenly encountered a game BUG and immediately passes over to the game world.

He became the man who finally took down the Great Demon King in this world. Gratifying! The attention of millions of people!

……However, he did not know the development of this world was not the same as the game, the Demon King did not die, rather his soul entered into Xu Jun’s body; this Demon King knows of all the stupid things Xu Jun does everyday…….

- Description from Novelupdates

For non anime fans- Yandere is extremely possessive girlsIn an open world MMORPG game called Stellaris Fantasia Online, me and my partner we're rising to the top, killing other players, farming loots and so on....But, yes, this partner of mine won't let me play with others.... even with my friendswhy? because she's a Yandere....Its so irritable that I unfollowed her.... well that decision hurts me too, since she might turns out to be a hot onee-san (older woman)But as soon as I attend the class, my homeroom teacher is in bad mood...Why??Just read the title....