・ Deru Hayaku Check: "Kokugo Yoji Jukugo" (Japanese Language: Four-Character Idioms) With red sheet ・ Deru Hayaku Check: "Rika: Dobutsu, Shokubutsu, Uchuu, Chikyū" (Science: Animals, Plants, Universe, Earth) Without red sheet Price: 600 yen x 2 Gakken ・ Nihon Rekishi Matome Jouzu (Japanese History: Good at Summarizing) With red sheet Price: 700 yen Juken Kenkyusha *We have confirmed there are no markings, but there may be some overlooked. Please refrain from purchasing if you are looking for a perfect item. *Shipping may not be available on weekends and holidays. *Items will be sent with simple packaging.