A sign up bonus is an incentive awarded to new players who have signed up to a casino site. The players don't need to deposit money to claim their sign up bonus as signing up to the site is the only requirement. The bonus is meant to encourage players to join casinos and try games for free.
Japan has become very famous for its culture and the fact that its citizens have one of the highest life expectancy in the world. There are a number of online gambling websites that are available to the Japanese. Although the online gambling companies are not based there, there are few restrictions in place.