This paper examines the use and meaning of the body-part terms or quasi-body part terms associated with Japanese emotions. The terms analyzed are KOKORO, MUNE, HARA, KI, and MUSHI. The tool for semantic analysis employed in this paper is the “Natural Semantic Metalanguage” method developed by Anna Wierzbicka and colleagues.The data used for analysis are from various sources; published literature both in Japanese and English, newspaper/magazine articles, film scripts, comic books, advertisements, dictionaries, and popular songs.