Coloso.

[Promotion Schedule and Precautions]
- The previously purchased classes cannot be refunded for promotion participation reasons
- In case of a refund, all the benefits, including the promotion coupon, will be retrieved from your account.

[Coupon Details]
- Please note that "Coupon is not valid" will be displayed when the first number of customers is reached.
- Each coupon is limited to one time use and cannot be used for more than one course.
- Coupons cannot be used for courses reserved in advance (including some courses whose videos have been partially released) and for some courses.
- Please be sure to check the list of courses for which coupons cannot be used before purchasing.

[For Refund Eligibility]
You must request the refund in writing to our support center (refund@coloso.global) within 10 days of purchase.
*Would you like to learn more about our refund policy? Please check here.

[For Additional Help]
Please reach our support (help@coloso.global) if you have any questions or concerns regarding our promotion or services.