Tobira IiMayumi Oka, Junko Kondo, Yoshimi Sakakibara, Hiroyo Nishimura, Tsutsui, Michio · First published 2023Open the Tome
Tobira IiMayumi Oka, Junko Kondo, Michio Tsutsui, Yuta Mori, Tomoko Okuno, Yoshimi Sakakibara, Ayaka Sogabe, Masae Yasuda, Junko Kondo, Tsutsui, Michio, Yuta Mori · First published 2022Open the Tome
"Yasashii Nihongo" hyōgen jitenIsao Iori, Reiko Shiga, Yukari Shimura, Mayumi Miyabe, Norie Oka · First published 2020Open the Tome
Chu Jokyu Sha No Tame No Sokudoku No Nihongo = Rapid Reading JapaneseMayumi Oka · First published 1998Open the Tome
