Gambling in Japan is a quirky paradox. Most betting is technically illegal, yet...

https://devinsmasterperspective.opalvector.com/posts/what-is-a-keirin-velodrome-and-can-tourists-go

Gambling in Japan is a quirky paradox. Most betting is technically illegal, yet popular exceptions like pachinko parlours, horse racing, keirin cycling, and kyoutei boat racing offer legal thrills