In the unlikely event that a defective product occurs, we will return or exchange it if you take the following measures. ・ We have received a return or exchange request within one week after the product arrives. ・ Only unused items. We will send you a new product after the product arrives at our company. Since it is operated at the same time at multiple stores and online sites, it may be sold out depending on the timing. In that case, we will contact you. We apologize for any inconvenience this may cause and thank you for your understanding.