La Corda D'oro Primo Passo OR La Cordo D'oro Secondo Passo故事以現代學園為背景，星奏學院是一所分有普通科和音樂科的高中。兩個學部有著極大的分別，無論校舍、校服、課程都各自為政。修讀普通科的日野香穗子是個平凡的女孩子，充滿陽光氣息，無論遇到事情也會率直面對。一日她意外的看見音樂精靈利利，任性的利利便趁香穗子迷迷糊糊時把魔法小提琴強行送予她，並軟硬兼施逼使她參加學校的音樂演奏會。這個小提琴的特點是使用者不需任何技術都可以演奏出美妙的音樂，但使用者的心情需與小提琴共鳴才能彈奏。而一起參加比賽的其他五位成員都是來自音樂科的精英，其他無法參賽的音樂科學生對於香穗子這個普通科學生的加入也大感不忿。而同時要保守魔法小提琴的秘密對坦率的香穗子亦十分困擾煩惱。
Kahoko Hino is a student in the General Education section of Seiso Academy. One day she runs into Lili, a musical fairy, who grants her a magical violin and a place in the school's annual musical competition. Kahoko refuses, only to be pressed on by Lili until she accepts the instrument and place in the competition. As she practices, Kahoko is amazed that she can play any musical piece as long as she knows the tune and plays it with her heart. As the competition goes on, she becomes more and more attached to the people she is trying to compete with.
