Purchase Date: Around September 2024 Retail Price: 2,310 yen There are a few places on the problem pages where lines have been drawn or sections have been circled in pencil, but there are no pen or marker marks at all. The answer sheets have not been cut out, so they are usable! Markers have been used on words in the answer/explanation pages, and plus signs or circles have been drawn in pencil. Thank you for viewing. ●Please Confirm● * After purchase, returns are not accepted due to reasons such as a different size or being different from your expectations, to prevent product substitution. Please consider purchasing only if you understand that this item has been stored at home.