High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! Rumi Shishido (born November 6, 1973), is a Japanese seiy from Hiroshima, Japan. She was formerly a mainstream idol signed onto Sony Records before she left her management in 1992. In 1989, Shishido was selected as the winner of a contest hosted by Lotte's and appeared on their television commercial in the following year. Her first single, titled "Cosmic Rendezvous", was released in 1990. Known by her idol nickname "Run Run", she also joined the members of Lip's and Rakutenshi to form the short-lived idol group Nanatsuboshi, although it did not interfere with her own solo work.