[1][2] When they moved to Nagasaki, Japan in her childhood, Anza was not fluent in the Japanese language and was bullied because of her foreign appearance.

[1] She made her music debut in 1992 as a member of the pop idol group Sakurakko Club and released a number of singles with them.

In April 1999, she released "Tobira wo Akete" (under Victor Entertainment), a single which was used as a theme song for the anime Cardcaptor Sakura.

In September 1999, Anza provided vocals for "Ai wo Shizumeteru", the ending theme song to the PlayStation game Psychic Force 2.

[4] In late 2008, she joined the rock band Vitamin-Q along with Masami Tsuchiya, Kazuhiko Katō, Gota Yashiki and Rei Ohara.

At the show, named Anza's Box, she sang songs from the Sailor Moon, Gift and Les Misérables musicals, as well as her solo career.

Misako Iwana (from Sailor Moon), Manabu Oda (from Gift) and members of Head Phones President also participated.

The show had participation of Tomo (key), Hiro (guitar), Norio Yoshida (bass), Sakaguchi Masaru (percussion) and Maddie as a special guest.

On May 24, 2014, Anza celebrated her 22 years of career in the show Anza Solo Live with participation of musicians Kato Tomoko, Hiro and Masaru Sakaguchi, in addition to special guests Okuyama Momoko, Iwana Misako (formerly Kotani Misako), Oda Manabu, Haruka (Rouse Garden) and Fujiwara Yuki.

On February 26, 2017, Anza made a guest appearance on JENOFES at Ikebukuro Live Inn Rosa in Tokyo.

[7] Anza World, a special live celebrating the 20th anniversary of Anza's colo career and the seventh anniversary of RAZ, was held on July 13, 2018 at Sengawa Fix Hall with guests Misako Iwana and Nana (Reasterisk); musicians Tomo and Hiro; apparel RAZ; DJ Narumi and models Chiro, Area, iPo, Erina Nagano, Misato Koromo, Tetsutaro Otaki and Rika Ayami.

In 2004, Anza appeared as Ellen in one production of Miss Saigon (also produced by Toho) as well as a Japanese adaptation of Anton Chekhov's Three Sisters in the role of Irina.