MTL - Cosmic Professional Gladiator - ~ second

Criminal Psychologist, Su Xiao Pei, who was an leftover woman in her modern life, was informed by the God Of Marriage, Yue Lao, that her destined lover was in a car accident, his soul was sent to another world. Su Xiao Pei was ordered to bring back this strange man who was connected to her by the red string of fate. Otherwise, she will live the rest of her life in loneliness, with no one to support her.
But how does that man look? No idea.
What’s his personality like? No idea.
What does he do for a living? No idea.
Can she not go? Of course not.
Su Xiaopei, who believes in all things logical has run up against a serious wall this time.
The bottom line: This is a story about a modern female psychologist who has traveled back in time and an adorable warrior as they talk about love and solve crimes.

- Description from Novelupdates

Luca, killed by the Demon God, woke up to find himself back on the day the “Eternal Game” launched.At this time, the game has just started, and Earth hasn't turned into a monster's paradise; everything is back to the beginning.Determined not to let the tragedies of his previous life repeat, Luca, armed with ten years of gaming experience, re-enters the world of Eternal, only to awaken the unique SSS-level talent!Starting with maxed charm!As he enters the game, pondering how to enhance his strength.A cold voice suddenly calls out: “Adventurer, wait a moment...”

After announcing it will be discontinuing all service, the internet game ‘Yggdrasil’ shut down… That was the plan, but for some reason, the player character did not log out some time after the server was closed. NPCs start to become sentient. A normal youth who loves gaming in the real world seemed to have been transported into an alternate world along with his guild, becoming the strongest mage with the appearance of a skeleton, Momonga. He leads his guild ‘Ainz Ooal Gown’ towards an unprecedented legendary fantasy adventure!

In a dramatic reversal of fate, the commoner Ludwik ascended the throne and became king. Once crowned, he was immediately told that the most important work of the king is “to welcome the princess from the highest lineage on the continent as your bride”! But then, the beautiful bride who appeared muttered, “gross…” upon seeing his face. Just like that, the new queen began to wage a cold war against Ludwik. But the truth is, there lies a secret within the queen’s heart, and when Ludwik finds out about it, he ends up in a certain contract with her… The story of fantasy, harem (planned), and comedy begins here!!