Tomohiro Fujii authored and delivered a beginner-focused blog post on agile estimation for the mamezou-tech-site repository, introducing story points through relatable analogies and personal experience to clarify estimation concepts for new team members. He applied agile methodologies and technical writing skills to align content with product onboarding goals, ensuring the material addressed practical business needs. The work was managed using Markdown, with clear feature tagging and traceable commits to maintain code quality and release hygiene. While the scope was limited to a single feature, the depth of guidance provided a practical resource for teams adopting agile estimation practices in their workflows.