Born in Aomori Prefecture in 1981.
Kamata aspired to scriptwriting while in college, so she joined a production company to learn about producing shows where they are made. She was assigned to Fuji Television news shows, where her reporting experience took her many places, from on-the-street interviews to the U.S. presidential election.
Turned to writing after three-and-a-half years working as an assistant director.
While conducting research and creating quizzes for Fuji Television variety shows, she has continued writing scripts and made her scriptwriting debut in January 2008 with TV Asahi’s “Fujoshi Deka” (Detective Girl who Loves Comics Depicting Homosexual Male Love).