MTL - After Being Forced To Raise a Crazy Milk Dog, I Am So Fragrant - Chapter 156 You are just a stand-in!

Perhaps it is the choice of fate. As a senior otaku, Qian Lingfeng got the “steel shell system”. However, when he swept the world with the system, became a local rich man, made all kinds of beautiful women, opened a harem, and realized the ultimate fantasy of thousands of otaku, he found that things seemed far from simple!
When the end comes, biochemical zombies suddenly come down, fierce beasts are in power, bloodthirsty zerg roam to kill the world, and human lives are comparable to dirt. Where will weak human beings go in this world? Is humanity going to be extinct? Or … can an otaku save the fate of the human race?

- Description from Novelupdates

In Tianlan Continent, there is a magic store called Origin Mall.

The Coke here can make people full of blood in an instant; the spicy bars here can make people fight leapfrog; the games here can make people improve their cultivation; the novels here can make people understand the techniques…

There are countless goods here, including leisure, entertainment, dining, training…

Oh, by the way, remember one thing, don’t make trouble in the store, because the owner of the store is very strong…

A detective travels across the United States and becomes an agent of the Los Angeles Police Department.

After getting through the initial confusion, he repeatedly solved strange cases, became famous all over the world, and was called the most legendary detective in history…

- Description from novelbuddy

Transmigrated into a trash body of general's daughter as female lead? Peh! Too mainstream! Transmigrated to be a villainess? Common! What about transmigrating and ending up as cannon fodder? Have read it before!