The world can be healed through music, and these three girls want to make it happen. Meet Kana Fujii, Reimi Itsushiro, and Hibiki Morishima—three healers-in-training at the Karasuma Phoniatric Clinic learning the art of healing patients' illnesses and injuries by singing. Join them on this musical adventure of kindhearted, powerful miracles sung to heal the world.