Tomonari Miyano delivered comprehensive Japanese UI localization for the Difegue/LANraragi repository, enhancing accessibility and internationalization for Japanese-speaking users. He implemented translations across application strings using the PO language format and integrated a Weblate-based translation workflow, ensuring efficient collaboration and traceable commits via Git. The work focused on expanding the application's user base and improving readiness for additional locales, with careful attention to internationalization best practices. Although no bugs were fixed during this period, Tomonari demonstrated depth in localization, translation tooling, and cross-functional teamwork, resulting in a smoother localization process and a more inclusive user experience for the project.