If you only go to Japan for three months, it is almost difficult to apply for a Japanese Yusanjia mobile phone card, because Yusanjia requires a residence permit, and the contract period is usually more than one year. If the contract is not used up enough, the termination fee will be very high, and there is a risk of being blacklisted in the Japanese communications industry. This path will definitely not work and is not worth trying.

Another way is to buy a Gian card locally in Japan, which is a 050 virtual number mobile phone card. The advantage is that the price is cheap and the contract time is flexible. You can find it in a minimum of 3 months or 6 months. But after all, the virtual number is not a regular mobile phone card. For example, the Gian card cannot make emergency calls. If you apply for some account opening or job hunting in Japan, many of them will not recognize the 050 mobile phone number.

So you can weigh it up. If you just want to keep in touch with relatives and friends during the three-month period, Gianka is the best choice because it is convenient and cheap. If you must get a regular Japanese Yusanjia mobile phone card, you can search SoftBank's newly launched prepaid card on Baidu, which is aimed at Chinese users who want to go to Japan. The minimum time is 3 months. The advantage is that you don’t have to worry about additional fees if you pay in one go. After ordering online, you can have free express delivery to China or Japan. This should be the fastest way to get a Japanese Yusanjia mobile phone card; the disadvantage is that the price is relatively low. Signing a contract in a Japanese store is expensive, so you have to figure out whether it’s worth spending the money for the three months you’re there.