Toaru Majutsu no Index - Volume 4, Chapter 2: The Detectives of This World at War

Seojin transmigrated into the novel named ‘777: The Crowned Sovereign’ as Seven, a side character.Here, he was the seventh child of the seventh archduke of the seventh kingdom of the seventh continent.On Earth, he was raised by his seventh stepfather and the child of the seventh ex-wife of the seventh mayor. He even had his seventh maid quit the job.He was also the seventh reader of the novel he transmigrated into.[Welcome, Seventh Reader! Your loyalty has been awarded.]With this many sevens, will he curse it as an unlucky number or… praise it seventy seven times?…Note: The author is a complete newbie and this is the seventh draft. Please don't expect this as such a grand story.Thanks. Merci. Danke. Bedankt. Terima kasih. Gracias. Salamat.Congrats! You just learned how to say ‘thanks’ in seven languages! ;P

“Gu Hangshen! Your sister stole my man, and you helped her do it! Your whole family is rotten!”“Whatever my sister owes you, I'll compensate you.”“And what will you compensate me with?”“Me.”“...”Later, he not only gave himself up as compensation, but he also came with a clingy little bundle of joy...

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

Gods and demons are everywhere in the Grand Desolate World.