Hiro contributed to the chrom9103/PiPi_Git-intro repository by creating a dedicated Markdown content asset, Hiro.md, which introduces a self-introduction for the 2025 lecture series. Focusing on documentation, Hiro authored bilingual-friendly content to enhance onboarding and personalize the learning experience for new participants. The work involved structuring the new asset within the lectures directory, ensuring it could be easily reused in future sessions. Using Markdown and version control best practices, Hiro delivered a clean, low-risk update that expanded the lecture materials without introducing defects. The contribution demonstrated attention to content organization and maintainability, though the technical scope remained focused.