Monster Pet Evolution - Chapter 40 - Lord of the Dark Ember!

Ruins stretched across the landscape in the apocalypse after the nuclear war.

Fanatic virtual gamers:
Tired of the stereotyped linear drama emotions? Want to try a real open world game?
Are you tired of playing an RPG that can only play a role? Want to lead the subordinates in virtual reality and experience the thrill of governing the army?
Welcome to the massive open killing game “War in Heaven”.
……
Seeing the game’s winning and losing judgment mechanism, a professional player who is interested in PVP for 20 years and is also very interested in AI, has a bright smile:
“It’s time to show the real killing method… How about building an AI army by the way?”

- Description from Uukanshu translation

In a world fractured by conflict and haunted by shadows of the past, Kokushibo—the first Upper Moon demon—meets his end, only to awaken in a new life. Reincarnated as Crimson, a child born into a different family, he carries the memories of a past he cannot escape. Burdened by centuries of guilt yet indifferent to the present, he resigns himself to duty—until an unexpected bond with his newfound family begins to thaw his hardened heart. As he struggles between the weight of his past and the weight of the new life, Crimson must decide whether he will remain shackled to his former sins or embrace the possibility of peace.

Chang Xia is an anomaly in the tribe——

She doesn’t dress up, make friends, or play around. She likes to hoard all kinds of wild vegetables, and she doesn’t eat meat, saying it’s unpalatable. The whole tribe was worried that she would not grow up and die.

When she became an adult, she directly picked up a sick seedling and married her.

later.

Chang Xia used the hoarded wild vegetables to farm and feed the entire tribe; she built houses and roads, so that the tribe would no longer suffer from cold and freezing; she also conquered the entire ancient continent with delicious food.

Finally, the clansman knew that the sickly seedling beside Chang Xia was once the most powerful totem warrior of the tribe. At this time, the clansmen understood that Chang Xia was the most powerful.

- Description from novelbuddy