When we last saw Hibiki, she was helping a lonely single mother try to overcome her heartbreaking sadness. Hibiki's magic, she had discovered, exists to save people, and to help with living--but is her magic powerful enough to save herself? Back at the academy, a monster threatens the students and it's up to Hibiki to rescue her friends--and the monster. Later, the school falls under the spell of a magical harmonica that gives everyone the moody blues. Will Hibiki's power be enough to overcome this cursed rhythm?