During May 2025, Masatomo Hananomushi developed onboarding documentation for the chrom9103/PiPi_Git-intro repository, focusing on supporting the 2025 lecture series. He created a new Markdown file, naganohara.md, to introduce a new speaker and facilitate participant onboarding for upcoming sessions. His work emphasized clear structure and maintainability, establishing a scalable pattern for future speaker additions. Masatomo’s contributions centered on documentation best practices, using Markdown to ensure consistency and accessibility. While no bugs were addressed during this period, his efforts improved the repository’s onboarding workflow, laying a foundation for streamlined participant integration and future documentation enhancements within the project.