Tell me how to register and use coupons.
You can enter coupon numbers in the Settings screen.
Tap the cogwheel at the bottom of the screen, select Register Coupon, and enter your code.
If the code is valid, you will immediately receive your gift to your Inbox.
※ Coupons cannot be used more than once.
※ Can't see the Register Coupon button? Please tap Enter Coupon below to check.
