- ALTs, inclusion, and the future of English education in JapanFirst edition, [Erscheinungsort nicht ermittelbar] : Amazon KDP, [2026], © 2026
- 2., verb. Aufl., Tübingen [u.a.] : Erdmann, 1969
- Japan in transition through gender, arts, nature and societyAbingdon, Oxon ; New York, NY : Routledge, 2026
- music-making in Yaeyama and OkinawaLondon ; New York : Routledge, Taylor & Francis Group, 2016
- = BL studies : an introductionShohan, Tōkyō : Yūhikaku, 2020nen 7gatsu hatsuka [20.07.2020]
- chūkyū kōhan - jōkyū Nihongo gakushūsha muke = Skills for exchanging thoughts in Japanese presentations中級後半~上級日本語学習者向けTōkyō : Kuroshio shuppan, [2020]