Lust in Ecstasy: Love, Lies and Revenge - Chapter 29 -

This legend tells the tale of the protagonist, Kuroki summoned to protect the demon king from the hero.

Kuroki, unbeknownst to him, suddenly came to another world. He was summoned by the demon king, Modes. The territory which the demon king overrules was in the midst of being destroyed because of the hero. He had no choice but to bow before Kuroki.

“Please save us, Savior Dono!”

Kuroki nodded, deciding to save the demon king due to an unexpected turn of event.

Dominion of the DeadAs the world collapses under a zombie outbreak, Julian Deaw only wants to survive. But after being betrayed and thrown away as bait, he discovers something that shouldn’t exist a game-like power [Domination].Now, with a zombie by his side, Julian must choose: to save what’s left of the world… or to rule over its ruins.

Jiang Pengji got something called the Court Intrigue Stream System.
System: “Your goal is to become the most prestigious woman in the kingdom (the Queen)!”
Jiang Pengji: “Okay, System. No problem!”
Years later, she met the target by becoming the most prestigious woman (the Empress).
Jiang Pengji: “Well done, no?”

- Description from Novelupdates