Mai Kitsune Waifu - Chapter 773 - [Going to use ult]

After breaking up with his girlfriend, he accidentally acquired a genius system and rose from there against the heavens, becoming invincible..

- Description from Novelupdates

[Ding!][Welcome to the fantastic world of Aether Babes!!!][Title granted: King of the Cosmos!]In his first life, Nick was an avid gamer. One of the top-ranking players in the gacha game Aether Babes, he never thought in a million years he'd be transmigrated into the world of his favorite game.However, it wasn't everything he imagined it to be. Somehow all the gods were dead, leaving him as the new King of the Cosmos far earlier than his character was supposed to be. More than that, it seemed like his favorite game actually contained the worlds of many different games...And as the King of the Cosmos, it was his duty to conquer every game, obtaining ultimate power.Finding himself in a dangerous plane of existence filled with exotic monsters and demons and even more nightmarish creatures he never dreamed of fighting in real life, Nick has to fight relentlessly just to stay alive. Luckily, he has the help of his favorite waifus!

He is the ruler of the mercenary realm, an overlord that gives headaches to the leaders of any country! For the sake of his friends, he’s willing to sacrifice himself; for the sake of his family, he does not hesitate to spill blood! He is a dragon, one that soars above even the highest of heavens. He’s a power that advances triumphantly through unstable situations, stirring up both the winds and the waters.

A famous actress slicing through monsters with flawless five-star choreography…A singer nuking mobs with long-range fire magic…A cold businesswoman trying to buy the entire monster hunter academy……and me—a dead-tired office worker who just wanted to log in and breathe.