During October 2025, Hyoshioka focused on improving the Japanese language documentation for the microsoft/Web-Dev-For-Beginners repository. They addressed formatting inconsistencies and enhanced readability across several sections, including VSCode.dev, pull request creation steps, and JavaScript basics. Using Markdown and leveraging skills in technical writing and translation, Hyoshioka implemented targeted fixes such as adjusting emphasis, correcting spacing, and updating assignment instructions. These changes aimed to reduce onboarding friction for Japanese-speaking users and ensure documentation reliability. The work demonstrated attention to detail in documentation quality, though it was limited in scope to a single bug fix rather than broader feature development.