Japanese is big on gambling

[Doodiepie]

Japanese love gambling (e.g. Pachinko)
Stake would spread fast in Japan if stake put some effort 

[zafdiyanagalu]

really big

[Dcspride]

They are already working on it..

[Snickers]

Pachinko is not really gambling. It's just some useless slot watching some balls.

If Japnese would be big in gambling they would have casinos, there are none since its still prohibited by law.