◎ No individual sales, price reductions, holds, or dedicated listings. ◎ Please refrain from purchasing if you are seeking a product in new condition, as this is a used item stored at home by a private individual. ◎ No returns accepted to prevent product substitution. Understanding How Switches Work and How to Use Them! / Yuhei Iwasaki List price: 2,800 yen This item was read once and then stored at home. ・ Immediate purchase is welcome. ・ The person who presses the purchase button first takes priority, even if there are comments. ・ Returns and refunds are not possible. ・ Items may be replaced, prices may be changed, or items may be deleted without notice. ・ I may be slow to respond to comments due to work. ・ There are no smokers or pets. ・ Simple packaging and recycled materials will be used for packing. ・ I am a private individual, so there may be oversights in the inspection, but I would appreciate it if you could understand this before purchasing. #usaponusapon #bookusaponusapon