Hiroyuki Oiwa contributed to the advanced-computing/course-materials repository by enhancing user branding and improving documentation accuracy. He implemented a feature to display his profile image at the top of the profile page, using Markdown to ensure consistent formatting and visibility. Additionally, he updated the lab attendance documentation, adding new participants and reorganizing the attendee list to maintain accurate records. His work focused on clear, maintainable documentation practices and effective use of Markdown for both content structure and visual presentation. Over the course of the month, Hiroyuki delivered two features, demonstrating attention to onboarding needs and up-to-date participant tracking without addressing bug fixes.