This is a 4-subject set (Japanese, Math, Science, Social Studies) of Yotsuya Otsuka's "Yoshu Series" for 6th grade, second semester. Answer sheets, answers, and explanations are also included. [Product Condition] Near Unused [Contents] Japanese: Pencil writing on the last 3-4 pages. Math: Pencil writing on pages 3-4. Science: No writing. Social Studies: No writing. Latest edition purchased in 2025. All include answer sheets and explanations. No names written. [Grade Level] 6th Grade, Second Semester The condition is good, but please only purchase if you understand that this is a used item. I am also selling materials from Waseda Academy and SAPIX, so please comment if you wish to purchase multiple items together.