Gambling in Japan is a curious mix of strict laws and popular exceptions. While...

https://ace-wiki.win/index.php/Is_Online_Gambling_Illegal_in_Japan_or_a_Grey_Area%3F

Gambling in Japan is a curious mix of strict laws and popular exceptions. While most betting is illegal, you’ll find legal options like pachinko parlours, horse racing, keirin cycling, and kyoutei boat racing