Totsuko is a high school student with the ability to see the “colors” of others. The colors of joy, excitement, and peace, and it’s also her favorite color. Kimmy, a classmate at her school, gives the most beautiful color of all. Although she doesn’t play any instruments, Totsuko forms a band with Kimi and Rui, quiet music lovers who meet in a bookstore in a remote corner of town. As they practice in an old church on a remote island, music brings them together, building friendships, and creating affection. Will they discover their true “colors”?