Middle-school student Hikaru Ogino is known as the songbird of her family's bathhouse in Tokyo. Her beautiful singing echoes from room to room as she cleans up after school, but she dreams of holding a microphone, not a mop!

When her best friend, Ran - a former girl group idol - invites her to try out for a pop star survival camp together, it's the chance of a lifetime to put her talents to the test.