This is a helpful exercise book for 5th-grade Japanese language studies. - Series: Exercise Workbook & Answer Key and Explanation - Language: Japanese - Grade: 5th Grade (Lower Semester) - Publisher: Yotsuya Otsuka Thank you for viewing. There are no markings. As shown in image 3, answer sheets 1-3 have not been used. They are used from the 4th time onwards. * We are also selling other textbooks for the Yotesuya series, as well as textbooks for other subjects. Please comment before purchasing. This item has been used by a child, and we have checked it, but there may be oversights.