Highschool DxD: Crawling x Chaos - Chapter 34: GrindGrindGrindGrind-

Michael was suddenly reborn into a another world by a God because of an accidental death. To make up for this fact, the God gave him another life in a fantasy world of swords, magic, and monsters.Unfortunately, it turned out that the world he was reborn into was still stuck in the medieval times. It didn't have electricity, it didn't have proper plumbing, and it didn't have any technology that he was so used to back in his old world.But thanks to the God's blessing and an AI assistant called ChatJK1, he was given the power to MAKE his life comfortable. Slowly, Michael transforms this new world into a place even better than his previous one by taking ideas from the modern world and putting it in this world, with the added bonus of magic.

Born naturally defective but possessed by the spirit of a divine dragon. Inheriting the divine dragon’s will and power, growing scales and magical claws, imperial waters containing the breath of the dragon, travelling through clouds and summoning rain, an invincible physical body. In this world and era, countless men dream of slaying dragons. Li Mu Yang has always lived a hard life.

- Description from Novelupdates

The head of the London Association of Mages, the most powerful Saint Archmage in the world, Audrey Davis, accidentally transmigrated to another world due to a magic accident. She was an 18-year-old human girl.

In 2030, an anomaly transpired, and aliens invaded the earth! At this age where the world was about to be destroyed, the top talents of mankind gathered from all over the world to develop a holographic game called Miracle. All humans on Earth would enter this game and battle against foreign invaders through holographic simulation. After Mike entered this game, he unexpectedly discovered that he could actually see all kinds of hidden information.

[Beginner-tier Exotic Beast, Level: 1, Status: Weak…]

[Boss-tier Exotic Beast, Level: 10, Status: Berserk...]

[Overlord-tier Exotic Beast, Level: 15, Status: Idle. Will drop a piece of SSS-grade weapon when killed... ]

[Old wooden crate with hidden SSS-grade equipment...]

From then on, Mike used the system to quickly level up in Miracle. Gradually, when he looked back, he had become the world’s greatest existence!