The Anarchic Consort - Chapter 3: Mysterious Man

Drowned, betrayed, and humiliated—Brandon’s life ended in the most pathetic way possible. But when he opened his eyes again, he was no longer Brandon.Reborn as Noah Weaverheart—in a novel he had read—the spoiled yet talentless son of a duchess, he quickly realizes a cruel truth: he’s nothing more than a stepping stone, fated to die in the first 30 chapters of this world’s story.But fate isn’t set in stone.Because he now has the Sovereign Bond System, a power that allows him to share everything from the women he bonds with—but at 10,000 times the quality.—[Ding! You have bonded with Neko Neko.][Ding! You have shared the affinity and talent of Neko Neko.][Ding! You have obtained the affinity: Ice (SSS rank) and the talent: Sovereign of Ice (SSS rank).]Noah’s lips curled into a knowing smirk.If this world wanted him to be a stepping stone, then he’d crush the so-called protagonist, steal his harem, and rewrite destiny itself.

King Grey has unrivaled strength, wealth, and prestige in a world governed by martial ability. However, solitude lingers closely behind those with great power. Beneath the glamorous exterior of a powerful king lurks the shell of man, devoid of purpose and will. 

Reincarnated into a new world filled with magic and monsters, the king has a second chance to relive his life. Correcting the mistakes of his past will not be his only challenge, however. Underneath the peace and prosperity of the new world is an undercurrent threatening to destroy everything he has worked for, questioning his role and reason for being born again. 

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

However, he did not know that he was not raising just a harmless pet, but a biological weapon secretly made by the government… a real monster.

As a former librarian, Rand felt that he had been living an ordinary life, the one that he had reclaimed unconsciously every single day.

Recently, he has been a little upset because the pet fish he accidently brought home to raised seems to have undergo some strange changes

Well, it turned into a merman.

- Description from Novelupdates