Vocalist Sachiko Watabe was born in Shindaiji, Chofu City, January 26, 1977, and raised in Urayasu City, Chiba prefecture. She took part in orchestra, brass band, and choir before enrolling in music school. She has worked as a backup chorus member and chorus arranger for various musicians, and taken part in live performances by Mishio Ogawa, Kiyohiko Semba, and others. Currently she performs in the nine-member vocal group Singing in the Park and the three-girl vocal unit Transparence. Her other activities include solo singing/instrumental performance.