Her mother is Japanese and her father is French-Canadian, which gives her a look that has been described as "a perfect balance of Japanese beauty mixed with a dash of exoticism." Since she attended an international school from primary school to high school, she claims that her English reading and writing ability is better than her Japanese. While at school, she played hockey every day, and often went to karaoke after class. Anna Sonoda had her first sexual experience at the age of 13, and learned the "48 sexual positions" through a book that she bought herself.
A diversification occurred in the 1990s and instead of few idols vying for popularity, a number of idols with specific characteristics divided the market. In the mid-1990s, idols became much younger than before, and groups of idols like Speed and Morning Musume became prominent. A new genre of idols called Net Idols became known in the late 1990s, only appearing on websites. In 1997 there appeared Kyoko Date, the first "cyber idol" or "virtual idol". Kyoko Date has a fabricated history and statistics and her own songs. Meanwhile, gurabia aidoru such as Yoko Matsugane, Rio Natsume and Eiko Koike have largely appeared skimpily clad in "cheesecake" photographs.