Minami Ueda developed three policy features for the team-mirai/policy repository, focusing on expanding preventive health services and family planning support. Using Markdown for documentation and drawing on expertise in policy development and public health, Minami introduced public funding for HPV vaccination for men, broadened rubella antibody testing and subsidies for pregnancy planning, and enhanced early consultation services for prospective parents. The work included editorial improvements to ensure clarity and consistency, aligning technical documentation with policy objectives. Over the course of one month, Minami’s contributions addressed public health needs with well-structured, accessible documentation, though no bug fixes were required during this period.