Koko wa Ore ni Makasete Saki ni Ike to Itte kara 10 Nen ga Tattara Densetsu ni Natteita - Chapter 19 - Warrior Serulis

Beneath the peaceful façade of the modern world, an undercurrent of shocking crimes roils in the underbelly of society.

[Ilyasviel completes the check-in and rewards himself for a height increase of 1cm]

Elijah: “???”

[Shizaki Kuangsan completes the task, rewarded with a historical video of Shizaki Kuangsan, please accept it! 】

Tokisaki Kurumi: “???”

[Fit Testrosa completes the quest and is rewarded with a whole set of bombardment flow for making friends with Takamachi Naiba! 】

Fett: “???”

[Shiroi Kuroko completes the task and rewards Misaka Mikoto Ai’s bento! 】

Shirai Kuroko: “…!!!”

Chu Chen silently watched the group of system hosts who had been playing with the system he created to the point of collapse, and drank tea very calmly.

“You don’t really blame me for the rewards you get. I’m only responsible for the system delivery system. You blame me for being like this…”

- Description from novelbuddy

On a normal evening, a voice appeared out of no where to give an announcement all over the world, this same evening was also when Dustin was run over by a car while running way from thugs.

Dustin however woke up unharmed, and learned that the world was about to go into ruins basically, and that some humans would be taken away in a few days as 'earth's warriors'.

As it would turn out, on the D-day, Dustin is one of those that were taken. But, this might turn out to be an opportunity rather than a curse, as some night before this day, something interesting happened.

[System activated]

[Starting assimilation... Complete]

[System online]

[Congratulations player for being the first to awaken. Rewards will be given]

A teenager who unexpectedly gets transported to the modern world from ‘the world of the immortals’ . He finds himself in the body of an ordinary guy. He wants to go back to his world and for that, he will have to practice to get stronger and investigate the reason why and how he crossed through to this world.

- Description from Novelupdates