Gambling in Japan is a curious mix of strict laws and surprising legal...

https://elliotsinspiringblog.scriblorax.com/posts/what-does-the-27-billion-horse-racing-number-mean-in-japan

Gambling in Japan is a curious mix of strict laws and surprising legal loopholes. While most forms of betting are banned, a few exceptions thrive, like pachinko parlours, horse racing, keirin cycling, and kyoutei boat racing