5% OFF Coupon Announcement

Receive your code by member email or LINE, then return here to continue. You can review and edit items and quantities in your cart.

Get 5% off on two separate purchases.

Receive a 5% off coupon each by logging in as a member for the first time and by adding our official LINE account as a friend. Please use each of the two coupons on separate orders.

① First-time Member Login Benefit

After your first member login on our site, you will receive a 5% off coupon via email. If you have not registered yet, please proceed to new member registration from the login screen.

Member Login

If you cannot find the email, please check your spam folder and verify the registered email address.

② Official LINE Friend Addition Benefit

Add the CORNER official LINE account as a friend to receive another 5% off coupon.

Add Official LINE

How to use your coupons

  1. Have the coupon code received via email or official LINE ready.
  2. Enter one coupon code into the discount code field during checkout and apply it.
  3. Confirm that the discount has been applied before finalizing your order.

The other coupon can be used on a separate order.

Terms and Conditions

  • Discount rate: 5% off per coupon.
  • Sale items are not eligible for coupon discounts.
  • Usage limit: Each coupon is valid for one-time use per person.
  • Minimum purchase amount/quantity: No requirements.
  • Applicability: Standard online store purchases. Subscription items are not eligible. Coupons do not apply to shipping fees.
  • Expiration date: Currently, no end date is set.
  • Combining: These two coupons cannot be used on the same order. They cannot be combined with other discount codes or automatic discounts.

The discounted price shown on product pages is for reference, assuming an unused applicable coupon is applied. Please check the checkout screen for the final amount, accounting for rounding or specific order details.

Already received a coupon?

Enter the coupon code from your email or LINE message.

If LINE opens, return to this page after finding your code. Member sign-in also returns you to this guide.

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