| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Senior Welcome separate tutoring Warrior - Toru Kenjo editor soul ISBN: 4877582290 | 978-4-87758-229-6 (4-87758-229-O) | 2001 | NHK "Kagai jugyo yokoso senpai" seisaku gurupu. · KTC chuo shuppan. |