Career
Her career began in 2002 when she passed the audition for Hello! Project Kids, an all-female teen popular group within Hello! Project. Since then, she has continued to sing in that group and has become a part of two smaller groups composed of Hello! Project Kids members, Berryz Kobo and ZYX. Currently, she is captain of J-popular band Berryz Kobo. In 2002, Shimizu successfully passed the Hello! Project Kids Audition.
Rei! Chakuseki!.
In that same year, she was cast as one of the main characters in "Koinu Dan no Monogatari". In 2003, Shimizu was chosen to join the group ZYX, which consisted of five Hello! Project Kids and Mari Yaguchi, who acted as a mentor. They released two singles: Iku ZYX! Fly High and Shiroi Tokyo.
In 2004, all of Hello! Project participated in a large shuffle group that produced one single, "All Foreign One & One Foreign All!" This song is considered one of the themes of Hello! Project.
In 2009, Tsunku, the producer of Hello! Project, went to South of Korea to announce that he intended to hold auditions. A few from Hello! Project accompanied him there, including Shimizu, Ai Takahashi, Risa Niigaki, Reina Tanaka, Linlin, and Maimi Yajima.
Hello! Project Kids ZYX (2003–?) Berryz Kobo (2004–2015) H.P. All Stars (2004) High-King (2008–2015) Hello! Project Mobekimasu (2011) Green Fields (2012–2015) Radio Berryz Kobo Kiritsu! Rei! Chakuseki! (March 30, 2005 – March 31, 2009) Berryz Kobo Beritsuu! (April 10, 2009 – current) (Company-host: Tokunaga Chinami and Sudo Maasa) Internet 8th Hello Pro Video Chat (Hello! Project on Flets) (May 2, 2005).