Shikishima Ritsu was living a fulfilling high school life.
Then one day, when Ritsu heard the new song from popular idol, μ, he noticed a cry for help hidding within the song.
Ritsu tried to confirm it with his friends, but none of them would respond to his questions, and they even acted off.
The suspicious incongruities continued piling up until the new year's entrance ceremonies. Yet the new students entering the school were-
Yet... I knew that was a dream 
that wouldn't come true.
مع هذا... عرفت أن ذلك كان حلماً
من المستحيل أن يتحقق
Aber ich wusste, dass das ein Traum war,
der sich nie erfüllen würde.
Pero sabía que era un sueño
que no se haría realidad.
Pero sabía que era un sueño
que no se haría realidad.
Mais bien sûr, je sais qu’il s’agit
d’un rêve irréalisable.
Eppure... Sapevo che era un sogno 
che non poteva avverarsi.
Porém... Eu sabia que era um sonho
que não se tornaria realidade.
Однако... я понимал, что это 
была неосуществимая мечта.