Kanade Yoisaki is an 18-year old female who is a second-year student taking online classes and the leader and composer of the underground music circle 25-ji, Nightcord de., going by the alias K. Kanade was traumatized when her music inadvertently led someone very dear to her into depression. This unfortunate event resulted in her focusing on creating songs which inspired hope, and she created Nightcord at 25:00 specifically with this goal in mind. She composes songs for the group.

Her voice is soft and calm, yet full of sorrow.