Gambling has been officially banned in Japan since 1907. However, there are several exceptions, including pachinko (slots) and other variations. Pachinko parlors can be found all over Japan and players can also explore offshore online casinos, which is not illegal. The Japanese government controls all gambling in the country, but has not yet issued licenses to local online platforms. For players interested in exploring offshore sites, there are plenty of legitimate platforms licensed by the UKGC (UK Gambling Commission) and other reputable commissions. All sites in our list at https://pikachucasinos.com/online-casino/ are legal, licensed and safe for real money players. Safety is the first thing we look at when considering the best casino sites in Japan. It is also a priority for players looking for real money casinos. It is crucial to join sites that have a valid license from a recognized gambling regulator such as the UKGC or MGA. The permit must be valid for the current year and the site must have a valid company number. We also check whether other internal security measures such as SSL certificates are in place. SSL provides advanced encryption that protects data sent and received between players and casino servers. Never join Japanese casino sites without SSL protection. Other things we look at are technical security and support options for participants, responsible gaming measures for problem gamblers and additional data protection algorithms deployed by the casino. This could be the verification process, direct OTP messages for withdrawals, secure payment methods and more. Only those sites that excel in all of these areas are added to our rankings.