My Shadow Monarch's System - Chapter 19: Letter of Truce.

In the vast Marvel universe, where superpower was still slowly growing in its infancy, several peerless superheroes tried to find their path in The Marvel Universe. A young adult named Ron from modern Earth unwittingly stumbles into such a world and begins his journey with an unknown power. This is a magnificent yet unknown true marvel world! This is the story of a normal young adult and his adventures!

- Description from Novelupdates

Shu Ya-wang is a 28-yr-old landscape architect who is born into a military family. When she was 16 years old, Yawang’s father asked her to take care of 10-yr-old Xia Shu.

Xia Shu had experienced death during his childhood. He stayed by the body of his dead mother for the whole night. This caused Xia Shu to become withdrawn from the rest of the world. Over time, the warm-hearted Ya-wang slowly got through to Xia Shu.

Ya-wang’s childhood good friend Tang Xiao-tian got enlisted into the army after high school, and she later at the university got to know Qu Wei-ran a classmate who eventually turned into a foe. From then on, the lives of Ya-wang, Xia Shu and Tang Xiao-tian, three of them changed dramatically.

In the mobile game Arcane Seoul.The day after I pulled the SSR Heavenly Demon for the first time…I ended up becoming the N-rank character, Warrior Kim.[2023 Grand Prize at the World’s Largest Web Novel Contest]