Tetsuro SUMIDA

Completed a doctoral program at the Graduate School of Intercultural Studies, Kobe University. Holds a Ph.D. in Interdisciplinary Studies.
Previously held teaching positions at Dongshin University (Korea), Kobe University, and Soochow University (Taiwan).
Since 2017, he has held his current position.
His research focuses on manga from the perspective of Japanese linguistics, exploring how character-specific language styles (yakuwarigo) function in manga.

Yuko YAGI

Graduated from the Faculty of Social Welfare, Japan College of Social Work. Completed all coursework in the doctoral program at the Graduate School of International University of Health and Welfare without obtaining a degree. Holds a Ph.D. in Care Work and Care Management.
After serving as a full-time instructor at Hiroshima Welfare College, Hiroshima YMCA College of Health and Welfare, and as a lecturer at Hiroshima International University, currently holds a present academic position.
Her area of expertise is the education and training of Certified Care Workers.

Takashi YOSHINO

Graduated from Natural Sciences First Cluster of Colleges of Tsukuba University. Completed the doctoral program at the Graduate School of Engineering, University of Tsukuba. Holds a Ph.D. in Engineering. After teaching at Nihon University Junior College and the Department of Environmental and Civil Engineering, Faculty of Engineering, Toyo University, currently holds a present academic position.

Yoshihiro KIKUCHI

Graduated from the Faculty of Letters, Kokugakuin University. Completed all coursework in the doctoral program of the Graduate School of Letters at Kokugakuin University without obtaining a degree. Holds a Ph.D. in Literature. Specializes in ancient Japanese literature, with a focus on the Manyoshu.

Masahiko SHINOZAKI

Completed the doctoral program in Architecture at the Graduate School of Engineering, University of Tokyo. Holds a Ph.D. in Engineering. Previously served as a lecturer at the Junior College Division of Showa Women's University. Currently teaches architectural planning and environmental behavior studies, with afocus on housing and residential areas.

Jaeho Lee

Completed a doctoral program at the Graduate School of Human and Environmental Studies, Kyoto University. Holds a Ph.D. in Human and Environmental Studies.
Specializes in quantitative linguistics, corpus linguistics, Japanese language education, applied linguistics, and cognitive linguistics.
Has held research positions at the National Institute of Information and Communications Technology and the Japan Foundation, and served as associate professor at the University of Tsukuba. Since 2016, he has held his current position.

Madoka Konishi

Graduated from Osaka City University. Completed the Master’s program at Osaka University of Foreign Studies (currently Osaka University) and the Doctoral program at Waseda University Graduate School. Holds a Ph.D. in Japanese Language Education.
Served as an assistant at Waseda University and a researcher at the National Institute for Japanese Language and Linguistics. Has held current position since 2017.

Hisashi NODA

Graduated from the Faculty of Foreign Studies, Osaka University of Foreign Studies (currently Osaka University), majoring in Spanish. Completed a Master’s program specializing in Japanese linguistics at the Graduate School of Foreign Studies, Osaka University. Holds a Ph.D. in Linguistics from the Graduate School of Humanities and Social Sciences, University of Tsukuba.

Atsushi Mori

Graduated from the Faculty of School Education, Hyogo University of Teacher Education. Completed the doctoral program at the Graduate School of Language and Society, Osaka University of Foreign Studies. Ph.D. in Language and Culture.

Masako Okubo

Completed the doctoral program in Japanese Language Education at the Graduate School of Japanese Applied Linguistics, Waseda University. Ph.D. in Japanese Language Education. Has held positions as a part-time lecturer at Aoyama Gakuin University and Sophia University, and as an assistant professor at the Japanese Language Education, University of Tokyo, before assuming the current position. Specializes in Japanese pronunciation education, phonology acquisition, and Japanese phonetics.