Totsuko is a high school student who has the ability to see the “colors” of others. The colors of bliss, emotion, and peace, as well as her favorite color. Kimi, a friend from her school, exudes the most beautiful color of all. Although she doesn’t play an instrument, Totsuko forms a band with Kimi and Rui, a quiet music enthusiast whom she meets at an antique shop in a remote corner of the city. While practicing in an old church on a remote island, music brings them closer, creating friendships and sparking feelings. Will they discover their true “colors”?