White Online - Chapter 5: First Player Kill.

This is a story about the protagonist getting the system, going crazy in the biochemical apocalypse, producing aircraft and tanks, destroying zombies, saving good people and killing bad people.

- Description from novelbuddy

A life I didn't ask for..A world I couldn't call my own...I'm Edward Walters. That's what I'll tell anybody if I'm ever asked. Because, that was the name I answered back one Earth.But now, in this new world I reincarnated in— a medieval one of swords and magic— I'm known by many names.. The Undisputed Prodigy, The Anomaly of my generation, The Legend Blank, and... Charles Liam Flameworth.But I didn't ask for any of these.I didn't ask for the titles, the power, the wealth, the sufferings, the wars, and the fame. I.. I just wanted to go back home. But fate pinned me to this world, giving me no way back.Untill I decided— if fate doesn't give me a chance.. I'll make one for myself. I'll shatter this so called fate, and I'll go back to my family.This is the story of the Anomaly that defied Fate. The one who Reincarnated as a Genius Mage.

Chu Nan was just an ordinary student, but because of an accident, he obtained the data collection, analysis and processing ability equivalent to the most advanced optical brain.

Qin Fei: “Sorry, fried silkworm cocoons are sold out.”
Miaojiang Yanshi seriously face: “Can gold silkworm cocoon be fried?”
——
Qin Fei: “The octopus is also sold out.”
The Octopus demon is calm and stretches out one leg: “just take it.”
——
Qin Feihan Yan: “Do you still have some clams?”
The diners with children were so scared that they lost their faces and fled.
——
There is a snack bar in the outside world.
There is no high-priced egg fried rice here.
No more expensive exaggerated ingredients,
Only delicious street food,
But it does not prevent it from conquering one after another picky taste buds.
[The text is more than a daily comparison, experience life. 】

- Description from Uukanshu translation