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