- Jitsuryoku Appu Nihongo Nōryoku Shiken: Nikiyū Dotsukaihen
- 実力アップ!日本語能力試験3級文法編初級総仕上げ
- The Preparatory Course for the Japanese Language Proficiency Test N#: Reading
- 実力アップ!日本語能力試験N3 聞く
- Nihongo Nōryoku Shiken 1 Kyū: Matomete Oboeru Kanji Tango Doriru = The Preparatory Course For The Japanese Language Proficiency Test











