Azusawa Kohane is from the video game Hatsune Miku Colorful stage, she is a second year at the Miyamasuzaka Girls Academy and is a part of the Vivid BAD SQUAD. She happened to stumble upon An Shiraishi performing in a café with her fellow musicians and when Kohane went to visit a second time An Shiraishi invited Kohane to sing together they would then become a group.