Gaku developed a new Markdown-based user profile for the chrom9103/PiPi_Git-intro repository, focusing on clear documentation and effective content authoring. The work involved creating GAKU.md, which introduced a personalized self-profile and later updated it to reference the Shigure Ui 5th anniversary Blu-ray, enhancing the repository’s storytelling and onboarding experience. Using Markdown and version control, Gaku maintained precise traceability through well-documented commits, ensuring that changes were transparent and easy to follow. While the scope was limited to documentation and did not involve bug fixes or complex features, the contribution demonstrated attention to detail and strong documentation practices.