In 1995, she made her acting debut in the movie O-higara mo yoku, go-shusho sama. In 2001, she voice acted for the first time as Empress Jeane in the anime movie Doraemon: Nobita in the Robot Kingdom.
She is known for her role as the main protagonist of Godzilla, Mothra and King Ghidorah: Giant Monsters All-Out Attack (2001), Yuri Tachibana, and her role as Mary Gold/DekaGold in Tokusou Sentai Dekaranger the Movie: Full Blast Action (2004).
In 2020, she started a YouTube channel called "CHIHA ROOM".
She married famous baseball player Satoshi Kuroda (黒田 哲史 Kuroda Satoshi) in 2004. Their daughter, Koharu Niiyama (新山 小春 Nīyama Koharu), was born July 12, 2006. On December 29, 2014, she announced that they had divorced.
|2019||Ultraman Taiga||Kana Sasaki|
|2020||Ultraman Taiga The Movie: New Generation Climax|