The “Your Nail” app (for iOS and Android) allows you to create your original nail stickers. You can combine your favorite parts and pictures to create your original stickers on your mobile phone very easily. Of course, you can adjust the sticker size to fit your nails.
The price for one set of your original stickers is just 690 yen (including the delivery charge) .
They announce that the subscription service of “Your Nail” has been started. The flat monthly fee is 1,180 yen and you can get two sets of stickers each month.
Source: https://prtimes.jp/main/html/rd/p/000000013.000027946.html