Katsumura started stage activities at a local in Tokyo after graduating as a junior in high school. In 1997, in the stage name Chise Okuyama (奥山 千世, Okuyama Chise), she debuted in the film Bounce Ko Gals. After half a year, Katsumura returned to her hometown, and then returned with her current name, working as an actress. She appeared in the Super Sentai series Mirai Sentai Timeranger and the variety show Men B.
In 2001, Katsumura participated in the self-produced film Enji-ya, which was published in the year. She was co-starred with Timeranger actors Masahiro Kuranuki and Shinji Kasahara.
On January 17, 2006, Katsumura married actor Yūsuke Tomoi; the same year on August 7, she gave birth to a girl. She had a maternity leave after her marriage announcement on March 31, 2007; she quit her agency Versatile Entertainment to focus on her child care.
In May 2007, Katsumura started her own blog, not only to reflect on her daughter but also to show her willingness to her entertainment activities.
In October 2008, she resumed performing acting activities while belonging to her new agency, Asterisk.
On an unknown date in 2014, she left Asterisk and permanently retired from the entertainment industry. Her blog was shut down in 2020.
As of May 2024, her current status remains unknown as information about her whereabouts is not available.
