Yoisaki Kanade also known as “K” is from the video game Hatsune Miku Colorful stage, she is a third-year student taking online classes and is the leader/composer of the music circle 25-ji, Nightcord de.. Her father was a musician, but he would overwork himself to the point of hospitalization and Kanade blames herself for her father’s condition, but this would also cause her to compose music that will save people.