Vivian or Kazuma

Vivian or Kazuma is a Japanese group composed of 土橋安騎夫, 徐若瑄, and KAZUMA. The project brings the three artists together under one shared name, making Vivian or Kazuma easy to identify in Japan’s music scene and in catalog credits tied to the trio. As a group act, it is recognized for its three-member lineup rather than a solo format.