Akari Yomatsuri is a pivotal character in the anime series Captain Earth. She is a highly intelligent and cheerful young girl who serves as the main hacker and strategist for the Globe organization. Her expertise in technology and hacking is crucial in supporting the team, as she assists in both offensive and defensive operations against the alien threat known as the Kiltgang. Despite her young age, Akari exhibits a mature and optimistic demeanor, often lightening the mood with her playful personality. Her role is essential in ensuring the success of the Earth Engine's missions and defeating the alien adversaries.