In the research literature on interactional competence in talk among second language speakers and their coparticipants, this volume of Pragmatics & Interaction is the first to focus on interaction in Japanese. The chapters examine the use and development of interactional practices in a wide range of social settings, from everyday talk among friends to service encounters, workplace interaction, and a rakugo performance to various activities in Japanese language classrooms and oral language assessment. Conducted from the shared perspective of conversation analysis, the studies show in detail how the activities are accomplished through the generic methods of interactional organization, multimodal practices, and the specific linguistic resources of Japanese.