I am that male friend in the harem story - Chapter 233: The Prelude

Lin Qian once thought the man she wanted would be handsome and formidable, able to “create clouds with one turn of the hand and rain with another turn” in the business world, causing her to look up to him in admiration. There would be nothing he could not accomplish.

Once time travelling, the talented young master became the idiot of the Gu family who was cut open and her son was taken away by others. Five years later, she came back with a cute baby. – She did it! Expensive jewelry that is popular in Beijing——she designed it!

The top restaurants all over the mainland – she opened it!

Even the most mysterious island of no return is hers!

Miss Gu took her son to eat and drink spicy food, slapped his face and watched the show, so happy!

But one day, a certain man suddenly blocked her door: “Woman, how dare you steal my prince’s son!”

Ha! Want to snatch her son? “Close the door and let the dogs go!”

- Description from novelbuddy

Within the virtual world of “Avalon Online”, Finn, or otherwise known as “Echo” within the game, was one of its greatest players. After logging off from a long session, however, he notices something awry outside of his apartment.The streets were flooded with chaos, screams echo through the night, and hell is loot loose. Monsters from Avalon Online are running through the streets, wrecking havoc. In the midst of this hellish awakening, Finn is greeted with the one gift bestowed to humanity in this dark hour:[...Assessing life experience…][Assessment Complete][Name: Finn Thorne][Age: 20][Designated Class: Assassin][Starting Level: 5][A [Legacy System] has been bestowed to you for your accomplishments within Avalon.][Assimilation System Awakened.]In this twisted turn, as the world as it was once known is gone with the arrival of magic and monsters, the remnants of humanity must level up if they wish to survive.Finn is left in this dark, hopeless apocalypse, using his own experience from Avalon Online to best survive what seems to be an impossible task.

Ryu Han-bin, the main character who fell into a new world after being chosen as a ‘suitable person’.

Because of the error in the guidelines, the training is repeated endlessly…