Gambling in Japan is a curious mix of strict rules and quirky exceptions. While...

https://page-wiki.win/index.php/How_Do_Locals_Play_Pachinko_for_Hours_Without_Going_Mad%3F

Gambling in Japan is a curious mix of strict rules and quirky exceptions. While most forms are illegal, you’ll find legal betting on horse racing, keirin bike races, and boat racing called kyoutei