Toaru Majutsu no Index: New Testament - Volume 7, Chapter 4: Destruction of the Pre-Established Harmony. Total_Hero.

This is the era where people prioritize science and Martial Dao. After the great disaster, the human race discovered the Ancient Zenith civilization. They entered the Age of Great Cultivation and began their journey to colonize the Kunlun Realm!

This is the tale of Arin, a once kind-hearted and gentle child, now a man hardened by the cruelty of society and the brutal trials of life—a man transformed into a ruthless criminal, devoid of mercy. As his world was collapsing, fate transported him to a new realm. This world, more vicious and savage than his own, was steeped in magic and dark mysteries.Ironically, it was in this fearsome world that Arin, now an undead being, began to rediscover his lost humanity. Through battles and bloodshed, amidst the clash of sorcery and steel, he started to reclaim the compassion he once hated. This is not just a story of survival but a saga of transformation. Follow Arin’s journey as he rises to power, determined to become the ruler of this harsh world. In a twist of fate, he now seeks to save the very humanity he once wanted to destroy.

After reviving unexpectedly, the concubine’s daughter was no longer a coward like before, but a hard nut.

Flamed her up and bullied her?

Come on!

She came from the 21st century! How could she willingly embrace such destiny?

“Since you ask for it, see how I will torture you!”

She punished the scums and struggled against bad minions!

See how the concubine’s daughter Dong Ling would stand up and master her own fate!

- Description from Novelupdates

Programmer Li Daochong desperately develops the game code, dying. After waking up, being born again in a ghost-invading future comprehension world, isn’t that a pothole?

However, Li Daochong brought his own ghost upgrade system, which made my green onion. Others are devilish and scared, and they rush to hell. Hey, isn’t this the tip of China? I want to eat, drool!

Eating is not the most important thing. The key can be upgraded. How many levels does it take to finish?
　　
“Li Daoyou please stay, people want to go to the edge of the magic field on the edge of the magic field, can you accompany others? People are afraid!” Hongyang fairy is dripping at Li Daochong.

“Li predecessor, can you please go with a younger generation to go to a ghost dragon?” A white-haired girl who is more than two hundred years old can look at Li Daochong helplessly.

- Description from uukanshu (translated)