From Overlord To Multiverse. - Chapter 24: Making Magic Scrolls.

To be a good mistress:

Lesson 1: The location does not matter; all that matter is whether he wishes to.

“This is an exchange for money and not a game of love.”

Yet, he is eventually addicted to spoiling her and sending her to cloud nine, giving her whatever she wishes for.

—

“Young Master Huo, Ms. An said that she wants to be the world’s top supermodel.”

As a result, news of the Huo Conglomerate entering the entertainment industry shocks the entire world.

“Young Master Huo, Ms. An said that she wants to get married at the age of 28.” The man’s gaze deepened as he replied, “That’s too late.”

The little bun behind him secretly hands him a household registration book and declares with a nasal and innocent-sounding voice, “Daddy, I will pay for your nine-dollar marriage registration fee!”

It’s my 100th life!! This life’s genre is fantasy.By the way, am I a prince?My mother was a maid, and my father is a king. However, I’m just a prince who is born with blood from a lowly class.It’s actually good! Yeah! It’s pretty good to me!There are no followers and no right of succession. I mean, people don’t really care about my existence.‘This is a place where you can live easily, right?’

In a normal and average modern world where a prestigious academy nurtures elites in a certain field who are known as ”Supreme“ such as [Supreme Inventor], Allen Walker suffers from being called 'average'. Allen Walker can't accept why he has to be average when a few are fortunate to be born as either a genius or prodigy. After a week of self-loathing, when all of his hope was lost, a sound snap him back to reality, or is it insanity?

Ding!

[A suitable host has been found! Prodigy System at your service!]

Ding!

[Hello darling! Chuu~ Harem Protagonist System at your service! Or do you want my service in bed instead?]

Ding!

[A wild Anti-loner System has appeared!]

Ding!

[Fiction fanatic, praise thee and thou shalt be graced with the Multiverse Traveler System!]

Ding!

...

Before Allen can even choose a system, another too familiar sound harassed his ears.

Ding!

[For achieving a thousand system requests which are a one in a decillion chance to occur, a Supreme Being was forced to use Divine Intervention.]

[Merging all of the thousand systems to create the most versatile and advanced system... Merging complete! Alternate Multiverse Chat Group System has been obtained!]

After accepting the Alternate Multiverse Chat Group System, Allen becomes a prodigy and the Chat Group's Admin and has no choice but to chat with beings from other universes.

Beings with suspicious, delusional, and eccentric names such as [I Love Mathematics], [Lolicon Shota Cultivator With Soul Fetish], [Sword Forge From Chaos], [Self-Proclaimed Genius Goblin Hero], [Reality's Bitch], [Time Manipulator Of The Apocalypse], and [Delusional Modern World Chuunibyou]

The chat group introduces Allen as [Supreme Order] as he chats with the otherworldly beings to find out the secret behind the Alternate Multiverse Chat Group.

This novel is also known as Cultural Invasion into Isekai

A group of dragons are watching “Game of Thrones” day and night

High Elf and Druid are in tears after watching “Hachi: A Dog’s Tale”

Humans​ and Dwarfs are greatly spending money on “Hearthstone”

Even the god personally arrived in the mortal world to read “Sherlock Holmes” novels.

Eventually, a great Druid has started a “pick and drop” business, all Dwarfs and gnomes have joined for the construction of internet stores.

A cultural invasion in different world from earth!

- Description from Novelupdates