My Backyard Mountain Leads to the Immortal Realm

Joins a Group Chat with Immortals, Then Turns His Life Around

Traveling Back and Forth Between the Modern World and Another Realm

Traveling back and forth between the modern world and another world.

A Story Where the Protagonist Can Transmigrate Between Multiple Worlds Repeatedly, Do Business, Develop Those Worlds, and Build up a Faction

Getting stronger and building up a faction, with the ability to transmigrate to ancient times, the future, other worlds, and so on. Preferably not a transmigration novel or animation.

Looking for Novels Like My WeChat Connects to the Three Realms, Any Recommendations?

Something like My WeChat Connects to the Three Realms: it starts in the modern city, then the protagonist joins a group chat. Two female leads would be ideal, and it should be engaging enough to keep reading.

I Want to Read Novels About Naruto, One Piece, and Cultivation

It's about someone selling Naruto merchandise in the main world, as well as things from the One Piece world, and teaching people how to use them. They also livestream and teach people to cultivate immortality.