The 2025 15th International Conference on Languages, Literature, and Linguistics (ICLLL 2025) invites scholars, researchers, and practitioners to explore the dynamic relationship between tradition and innovation in the fields of language, literature, and linguistics. The conference, held in Tokyo, Japan, from November 21-23, 2025, aims to provide a platform for discussing how traditional linguistic theories, literary analyses, and cultural interpretations intersect with modern advancements in language technology, digital humanities, and contemporary literary criticism.