 In the 1970s, she wrote many shōjo manga stories as Ayako Kazu, Akane Kouda, Kyoko Mizuki and Keiko Nagita.In 1975, she wrote the story of freckled hearty girl, "Candy Candy" for monthly "Nakayoshi".In her twenties, she wrote the first story for a manga at the request of Mr. Higashiura, then the chief editor of Bessatsu Shōjo Friend.