Please be sure to read the profile before commenting. Information such as "no price reduction" is stated. 2024 SAPIX SO Test Problems, Explanations, and Answers Answer sheets are not included. Original. Used and stored at home. Please understand that this is used and stored at home by a child. Writing on the problem sheets has been erased as much as possible except for Japanese. There are no pen markings. There are pencil checks on the answer explanations for incorrect answers. Please understand and purchase with the understanding of any oversights.