There are no problems with the operation. We will give you a 50 yen discount if you purchase with other products. Please understand that this is a used item and is being sold at a low price. If you purchase multiple items and only the software (without the case), we will give you a total discount of 100 yen. Please contact us in the comments section if you have any questions. Depending on the product, there may be no instructions or accessories. To prevent tampering, there is no warranty under any circumstances. Please understand that the condition of the product may vary from person to person, so please consider it as a reference. If there is any defect, such as an address error due to the buyer's input mistake, we will charge you for the re-shipping fee, etc. Even if the product is listed, it may not appear in the search results, so you may be able to find the product you are looking for by viewing it from the profile section. Thank you.