[4] During her third year in elementary school, Ami enrolled in Minoh's boys and girls choir where she was an alto singer.

She became interested in pursuing a career in the entertainment industry after performing in recitals, with the aspiration of getting more people to look at her.

[9] On July 7, 2002, she was announced to be joining the group Dream as a new member alongside five other girls, after successfully passing the audition held by Avex.

[10] The new line-up later debuted with the single "Music Is My Thing", used as the ending song for the anime Hikaru no Go in 2003.

[11] In 2005, she became a part of the temporary subgroup a☆girls with Aiko Kayo within Girl's Box – a collaborative unit made up of female singers affiliated to Avex.

[15] Initially featured only as a performer, Ami made her first appearance as a vocalist in E-girls' line-up on their third single and breakthrough song "Follow Me" in 2012.

The song was released digitally on August 9, and served as the lead single for the studio album of the same name.

[21] On February 24, 2016, it was announced that she would sing the theme song for the Japanese version of the Disney film Zootopia, and provide the voice for one of the characters.

She wrote the lyrics for the title track, used as the theme song for the live-action movie Daytime Shooting Star.

The two-day concert "E.G. Evolution" held on July 15 and 16 at Saitama Super Arena were her last activities as a member of both groups.

The live house tour consisted of five shows and visited five cities in Japan throughout the month of November.

[41] On February 22, 2020, Ami announced her marriage to Yuto Handa, architect and former member of popular reality TV show "Terrace House".