Recognized as a discipline equal to conventional medical methods, "vocal medicine" involves using songs to treat health conditions and injuries. Young people worldwide strive to master this art and become "healers" to assist others through the power of their voices. Among the many healers in training is Kana Fujii, a naturally gifted singer who was inspired to pursue this career after a life-changing experience. Together with the determined Reimi Itsushiro and the easygoing Hibiki Morishima, Kana trains at the Karasuma Phoniatric Clinic under the strict yet kind guidance of Ria Karasuma. As they work toward their dreams, Kana and her friends encounter various colorful healers along the way, discovering that vocal medicine entails much more than just diligent studying!