Zero no Tsukaima - Volume 22 Chapter 5

A sudden and unprecedented event occurred and took place on Earth.A fissure instantly appeared in the clear blue sky, revealing a void devoid of any light beyond, instantly covering the whole planet, leaving no Life, no Hell, and no Paradise behind...Hence the start of a new chaos and a great beginning of life devoid of any hope began.In this apocalypse and lawless world without any limits set upon its beings, a silent dark wisp took form.A wisp that was bound to become the Horror of All was born...“Wait… I’ve become a Ghost?!”

Wang Yi gets a key, opening a door in 2022 will lead to 1982, and opening a door in 1982 will return to 2022.

Two very different great eras appeared before him:

Abundant dietary protection, developed industrial products, miraculous medicines, and explosive information, this is 2022.

Simple folk customs, rich wild resources, scattered antiques, and treasures of the age, this is 1982.

Traveling between these two eras, Wang Yi didn’t think much of it, he just wanted to live a good life.

- Description from novelbuddy

“What, how the hell did I get here?” Vorden a normal 20 year old guy in an urban world gets trapped in a video game. He goes through trying times, life and death battles in the hope that he can find his mom. Don't miss out on the most eventful Urban Fantasy story with twists and turns, with friends and foes, and with love and hate.

You Liangxing would never open the speech function in game.