Deepen your love for sumo
At Superfan Sumo, we create easy-to-read, beautifully designed ebooks for fans at every level. From the basics to behind-the-scenes stories, explore the traditions, tactics, and drama that make sumo unforgettable.
New to sumo? Start here.
Explore the Sumo Library
From beginner essentials to deep-dive expert guides, each ebook is packed with insights, history, and behind-the-scenes details you won’t find anywhere else.
Pick your level. Dive in. Become a true sumo superfan.
About Superfans Sumo
Superfan Sumo is your go-to hub for sumo knowledge — made for fans, by a fan.
What started as a personal fascination with Japan’s national sport grew into a mission: to make sumo more accessible, more exciting, and more deeply understood by fans around the world.
Here, you’ll find a growing collection of ebooks that break down sumo’s traditions, techniques, culture, and characters — from the basics to the hidden layers only seasoned followers know.
Whether you’re brand new to the dohyo or looking to sharpen your sumo savvy, Superfans Sumo gives you the tools to deepen your appreciation and become part of the global sumo community.
