Coloso.

[Promotion Schedule and Precautions]
- Promotion schedule: Until December 24th 23:59 (PST)
- 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.

[For full 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..