Whether you’re throwing a hand sign to decide who buys the next round, or diving into the deep lore of competitive Yakyuken streaming—you’re participating in a living, breathing form of Japanese pop culture.

Let’s step up to the plate.

When most people hear “Yakyuken,” they think of a simple hand game—Japan’s version of Rock, Paper, Scissors. But peel back the surface, and you’ll find a cultural phenomenon that has quietly evolved into a .