Totsuko is a high school student who can see the "color" of others. The color of bliss, excitement and serenity, as well as the color she considers her favorite. Kimi, a classmate of her school, emits the most beautiful color of all. Although she does not play an instrument, Totsuko forms a band with Kimi and Rui, a lover of soft music whom they meet in a used book store in the far corner of town. When they practice in an old church on a remote island, the music unites them, forming friendships and awakening affection. Will they be able to find their true "flower"?