Digital products, including PDF and EPUB editions, may become non-refundable after successful access, delivery, or download depending on the policy of the selected platform.
Physical editions are produced and distributed through third-party print-on-demand providers.
If a printed edition arrives damaged, defective, misprinted, or significantly affected during shipping, the User should contact the customer support service of the platform where the order was placed.
Shipping times, customs procedures, delivery delays, and logistics-related incidents depend on external fulfillment and transportation providers.
Future collector editions may be subject to separate production methods, pricing structures, material specifications, delivery conditions, or return policies announced individually at the time of release.
Refund requests based solely on subjective interpretation, personal expectations, or change of mind may not qualify for refund depending on the policy of the corresponding platform.