Karin Isobe

Determined to retire but unwilling to leave his guild without a successor, Kikuru trains a few heroines as apprentices. But between their personalities and monsters with an… unusual interest in women? His retirement is getting further away every day.

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.

One day, high school musician Ichika meets a Hatsune Miku who is struggling to connect with the hearts of her listeners. Now, Miku must rely on the help of Ichika and others to find a way to sing again.