Ghost in the City: Cyberpunk Gamer SI - Chapter 46

One day, when a novelist woke up from a restless sleep,he realized that he had transformed into his 12-year-old self.

Violet skies, a world undergoing massive changes, a deficient moon, interlinking voids…
When the world experienced a cataclysmic event,the majority of living things ceased to exist. Although humanity survived by hiding in the last safe zones, humans had to face mutated dire beasts and colossal source beasts that could break through the space barrier and enter the earth at any second.
Luo Yunyang, a young man who grew up in those calamitous times, obtained an attribute regulator and set out to walk the path of supremacy!

- Description from novelupdates

Known as the country’s top onmyoji, Yuuma Kisaragi, who lived to the age of 99, awoke to find himself in an unfamiliar forest. A voice echoed in his mind, revealing that he had been reincarnated into another world at the age of 20.“Good morning, Master. Skip the greetings and please defeat the goblin in front of you.”The voice belonged to a skill acquired during reincarnation called “AI,” designed to assist Yuuma in his new life. When the skill, AI, took over the form of a golden-haired fox yokai, the familiar shape of Yuuma’s shikigami, he decided to embark on a new life alongside AI-chan.The onmyoji and AI-chan’s second life began, tackling various challenges and formidable enemies with the strongest spells and shikigami.

The world of Anexia is rotting. The Mist has taken hold over entire continents and continues to spread, not content until the entire world is under its control.Raorka, along with his mother Zoe and father Zack, are thrust into this world after an accident. However they wake up at different parts of the world.Raorka wakes up near the Domed Town of Temuril, where inhabitants speak of the cursed dragon in the woods and the exiled witch who teaches magik...for a price.Zack wakes up near the town of Odania where the red cloaked Chianti Hunters battle against the tyrant mayor and the last Great Kingdom.Zoe awakens near the abandoned Church of Laments, where the cries of persecuted nuns echo, praying for the return of their Goddess and her blessings.Now they journey separately, desperate to reunite with each other amidst the chaos of a dying world.