Yotsuya Otsuka and Waseda Academy This is a textbook set for the 6th grade (upper level) Yosyu Series. Almost all volumes have direct writing and circling with red pen. Some books do not have names, but those that do will have the names erased with a marker before shipping. Math: Top Schools & Most Difficult Schools - Writing on only a few pages Japanese: Yoseri Basic Problems only - Answer sheets included Social Studies: Some answer sheets missing Social Studies & Science: Four-subject answer sheets missing Please understand that these are used items before purchasing. #YotsuyaOtsuka #Waseaka #TopSchools #JuniorHighSchoolEntranceExam #Bundle