Mitsuki Saotome is a fictional character from the anime and manga series Kono Oto Tomare!. She is a talented musician who plays the koto, a traditional Japanese string instrument. Mitsuki is known for her dedication to her craft and her strong desire to improve her skills, often practicing diligently. In the series, Mitsuki is portrayed as a kind and supportive friend, helping her peers in the koto club. Her character development highlights themes of perseverance and teamwork, as she navigates challenges alongside her fellow club members, including Takezo Kurata and Chika Kudo.