Gambling in Japan is a curious mix of strict rules and surprising legal...
https://johnnywrbo401.wpsuo.com/kyoutei-betting-types-what-do-you-actually-bet-on
Gambling in Japan is a curious mix of strict rules and surprising legal loopholes. While most forms are banned, you’ll find legal exceptions like pachinko parlours, horse racing, keirin cycling, and kyoutei boat racing