1. The first step is to seek out the Amazon Japan promo code that catches your eyes on this page and hit the Get Code, found on the right side of the coupon title.
2. Next, you'll witness the offer code being showcased and auto-copied to your clipboard.
3. Following this, you'll be required to go back to the checkout page of amazon.co.jp, spot the promotional code box, and input the code you copied earlier.
4. In the end, you have to click 'Apply Code' to determine the discount you've received on your current order.