This issue consists of a special report on the Japanese concept of "characters." Since the beginning of this millennium, there has been active discussion of "characters," with a steady stream of publications on the topic in not only linguistics and communication theory, but also in the fields of manga studies, modern thought, psychoanalysis, sociology, literary theory, socio-cultural theory, and media studies. But the content of the "characters" being studied is not uniform, and includes a uniquely Japanese concept of "character" that cannot be translated by the English word "character." Sometimes the word is even spelled "Kyara" in recognition of the fact that this is a concept specific to Japan.In this issue, the authors address the Japan...