Twill
Duo
Twill is a Japanese duo composed of twins Michiko and Yoko. Their stage name is a portmanteau of English language words "twin" and "will". They are managed by TV Asahi Music.
They are also known in United States and Sweden. Wikipedia
Members: Kasahara Michiko and Kasahara Yoko
Albums: Astro da Roça (Deluxe), Sacrifício, Astro Da Roça, and more
Active from: 2001