Rumiko Tani

Rumiko Tani (谷ルミコ), formerly known professionally as Chinatsu Miyoshi (三佳千夏), is a Korean-Japanese television personality and a former idol singer associated with Hello! Project.

1999-2000: Early career as Chinatsu Miyoshi
Under the name Chinatsu Miyoshi, Tani was the grand prix winner of the Morning Musume & Michiyo Heike Sister Protegee Audition held by Hello! Project in March 1999. On August 4, 1999, she released her first single, "Unchain My Heart", as the ending theme to Kiss Dake ja Iya! Her second single, "Love, Yes I Do!" was released on November 10, 1999, as the ending theme to Sorcerous Stabber Orphen. In 2000, she also appeared in Pinch Runner, a film starring Morning Musume. Her third single, "Anata no Shirt to Love Song", was released on May 31, 2000. All of her singles failed to chart, after which she decided to leave Hello! Project in September 2000.

2005-present: Return to entertainment, relocation to South Korea
In 2005, Tani returned to entertainment under her real name and provided vocals to the songs "W/U I Can" and "Hear My Cry", which were featured in the horror film Kokkuri-san. After her marriage in 2006, she relocated to South Korea. She was a cast member in the variety show Oh! My Baby.

Personal life
Tani is a third-generation Korean-Japanese. On October 21, 2006, Tani married South Korean singer and actor Kim Jung-min. They have three sons, and one of them, Da-myool, was featured with them on the reality show Oh! My Baby.