In the Marvel Universe, I Own a Bookstore That Connects All Worlds

An inconspicuous little bookstore appeared in the Marvel Universe, no one knew when.

Yet the tiny shop was packed with visitors from the Myriad Worlds: Tony Stark, Usopp, Naruto, Tanjiro, the Unlicensed Rider, Naruto...

Tony Stark: "Boss, when are you updating Harry Potter? I want to learn magic!"

Tanjiro: "Ever since I got Ripple breathing, I haven't needed a Nichirin Blade to kill demons."

Naruto: "I've read this One-Punch Man book so many times. Why haven't I gotten Saitama's physique yet?!"

Saitama: "...You have too much hair..."

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Do not imitate.