VERTUEUX is a Japanese group formed in 2009 and associated with Ken-ichi as its credited member. Based in Japan, the project is cataloged as a group rather than a solo act, and it maintains an official website at http://vertueux4.wix.com/vertueux. With its documented formation year, membership, and public online presence, VERTUEUX is best described as a Japan-based group active since 2009.
