Summary of High School Entrance Exams Unit-by-Unit Comprehensive Review, 5-Subject Set: Science, Math, Social Studies, English, Japanese Language, Revised Edition published. This is a textbook specially created for a certain cram school and private tutors. It's a 5-subject set with answers and explanations, priced around 45,000 yen. Going to a cram school costs a lot of money, so this is recommended for those who can study diligently at home on their own. Please understand that this is stored at a private home by an amateur. Please purchase after you are satisfied. Please note that we do not accept returns after purchase. Thank you.