MTL - I Have a Store In the World of American Comics - v2 Chapter 15 Plasma Arc Generator

It all started when the protagonist downloaded a game called “The Fool (Beta Version),” marking a pivotal shift in the style of his life. This was no ordinary game; it lacked visuals and music, composed solely of lines of text and a multitude of choices. Yet, each decision within the game had the power to alter the player's destiny, for on the other side of the game lay a real, unknown world.Players were unable to physically enter this otherworld or see its landscapes, experiencing the alternate realm solely through text, vicariously living each step of their character's journey.As the game progressed, not only could rewards from the game materialize in the real world, but creatures from the game began to appear in reality as well.Then came the day the game was released for global public testing.An era quietly unfolded, where the masses embarked on explorations and treasure hunts in an alternate universe through 'textual adventure,' heralding a new chapter of engagement and discovery.

The world’s top level hacker, Shi Lei; due to him hacking the world’s top military powers during a joint exercise and attempting to steal information from them, ultimately leads him to get sold out by his own organization. This act eventually caused his own death by a missile bombardment.

God was playing a joke on him and allowed him to return back to six years ago, the autumn season of when he was still at his university. Being given another chance, plus the fact that he retained his ability as one of the best in hacking technology, Shi Lei decided to change his life! During his previous life, he was only an assassin in the dark. Although such an existence made people afraid of him, he would have to always hide within the shadows. In his new life, not only does he want to be an assassin in the dark, he also wants to stand openly in the middle of the world stage. Creating a world-class super enterprise, he will single handy change the whole world!

- Description from Novelupdates

Two heroes of the game Legend of Heroes 2 who were rotten waters*.

Xiao Rou, a girl growing up in a poor countryside family, finds that she’s actually the daughter of a wealthy couple. Her mother had mistaken another girl for her back at the hospital. Thinking she would change from an ugly duckling to a noble swan and live happily ever after with her real family, reality strikes her in the face.