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

https://fernandosmastercolumns.swiftnestly.com/posts/what-is-slotozilla-and-why-is-it-mentioned-for-japan

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