The fairies I flirted with in the game became real?! - Chapter 846 Descendants

Based on the popular Vocaloid series, by HoneyWorks, called “Kokuhoku Yokou Renshuu (Confession Rehearsal)“:

Natsuki, a third-year at Sakuragaoka High School, who holds unrequited feelings for her childhood friend, Yuu, who’s in the Film Club. However, instead of being honest about her feelings, she makes him be her confession “rehearsal” partner. Unable to say her true feelings, things start to get complicated when Miou and Akari, who are also in the Art Club, get involved! Will she ever be able to confess for real!?

Orphaned at the mere age of seven and thrown out on the streets with no place to go. Kana lived the life of a street rat. She did what she could to survive from digging through the trash and stealing what she could. But even after almost ten years of surviving, her life still ended short.

Traveling through the big world that covers the sky, awakening the sign-in system, and rejecting the rich woman’s pursuit at the beginning! Sign in to get a pair of pupils!

Sign in at Daleiyin Temple and get a five-star reward Emperor Seal!

Sign in in the Bronze Immortal Hall and get a seven-star reward for inextinguishable profound art!

Sign in on God and get a ten-star reward Fortune Jade Plate!

The ancient warriors, step on the restricted area, control life and death, and control reincarnation!

The heavens and the world, the rolling red dust, have left his footprints!

The legend of Emperor Xuantian began when the Nine Dragons pulled a coffin on Mount Tai!

- Description from novelbuddy

Zero, a 35-year-old mercenary, after being betrayed by one of his teammates who told his enemy about him. He chooses suicide so that he can kill his enemy and his traitor teammate. After that, he was reincarnated into the world of magic, in the body of an 18-year-old teenager with the same name as him. However, his body does not have mana or the talent for magic. But with the help of the cultivation system, he has unrivaled power in the world and has a harem of beautiful wives.