Completed from the Graduate school of Humanities and Social Sciences, University of Tsukuba. Ph.D. in Literature. Specializes in sociolinguistics, pragmatics, and Japanese language education. Developed an interest in the relationship between language and society, triggered by involvement in Japanese language education at a University in the United Kingdom. Engages in research primarily on interpersonal considerations (including honorific language), mobile media and language, and the language and identity of mobile individuals. Notable works include "Media and language 1,2,4" "Understanding Interpersonal Relationship in Japanese and Considerate Language Behavior", "Mobility and Language 1,2" and "Challenges Surrounding Mobility and Language". For more details, please refer to https://researchmap.jp/oxforduk.