In April 2002, she won the 1st place on the audition called "Super Starlight Contest" brought by Giza Studio. After that, she appeared on some compilations like "GIZA studio MAI-K & FRIENDS HOTROD BEACH PARTY" and "DAY TRACK: Lady Mastersoul". On July 2, 2003, she released her first single "Don't you wanna see me tonight?". It peaked at No. 35 on the Oricon Singles Chart and gained many radio plays. On December 3, her debut studio album "CONTROL Your touch" was released.
2004: "Yumi Shizukusa Ⅱ"
On April 14, she released the lead single from her 2nd album "Yumi Shizukusa Ⅱ", "Kokoro wa itsumo Rainbow Color". It achieved weak success, charting at No. 84 on the OriconSingles Chart. On October 27, 2004, she released her second studio album "Yumi Shizukusa Ⅱ". It includes "I'm in Love" featuring Wyclef Jean.
2005–2006: Comeback in popularity and "Hana kagari"
On February 9, 2005, she released her 6th single "Hana kagari". It was used in Japanese famous TV mystery drama "Kyoto Chiken no Onna" and gained many airplays. On December 15, 2005, she released her 1st digital single "Communication break out" on iTunes. It peaked at No. 1 on the iTunes Chart. On March 1, 2006, her third studio album "Hana Kagari" was released.
2007–2010: "I still believe" and duet with KG
On May 30, 2007, she released her 8th single "I still believe: Tameiki". It was used in one of the most popular Japanese animeCase Closed and peaked at No. 50 on the Oricon Singles Chart. On October 29, she released 10th single "GO YOUR OWN WAY". It performed moderate success with the usage in Case Closed. Her 4th studio album "THE PAINTED SOUL" was released on December 3, 2008. On August 19, 2009, she released her first extended play "ENDLESS SUMMER". It peaked at No. 1 on the iTunes R&B Albums Chart. On February 24, she appeared on KG's album "Love for you" and sang "Kanawanai Koi demo" with him. This song gained moderate success on iTunes. After that, she went silent about for 3 years.
Her 5th studio album "A woman's heart" was released on December 18, 2013. It achieved weak success though it was praised from critics. On June 11, she released her first compilation album "#10-story: best of Yumi Shizukusa". It includes two new songs.
2015–2017: "BLUE" and "Rouge"
On July 22, 2015, she released her 6th studio album "BLUE", which was acclaimed by critics. It includes the song "Everytime", which was produced by a Grammy-nominated producer starRo. On Marc 22, 2017 she released her 7th studio album "Rouge".
