Kanjikei moji no sekaiMasayuki Yoshikawa, Shintarō Arakawa, Hiroyuki Sasahara, Masaaki Shimizu · First published 2022Open the Tome
Nihongo o oshieru tame no kyōjuhō nyūmonNozomi Fukasawa, Hiroyuki Honda, Reiko Iino, Sachiko Sasahara, Makiko Matsuda · First published 2021Open the Tome
Shin meikai kokugo jitenTadao Yamada, Yasuo Kuramochi, Zendō Uwano, Masahiro Ijima, Hiroyuki Sasahara · First published 2020Open the Tome
