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-
Couldn't that be something 
even you don't want to know?
ألا يمكن أن يكون ذلك شيءٌ
لا تريد أن تعرفه أنت حتى؟
Was, wenn das etwas ist, was man nicht mal
vor sich selbst preisgeben möchte?
¿No será algo que no quieres mostrar,
ni siquiera a ti?
¿No podría ser algo que no
quieres mostrar, ni siquiera a ti?
C’est pour ce que l’on tient vraiment
à garder pour soi ?
E se fosse qualcosa che non vuoi mostrare a nessuno,
 neanche a te stesso?
Isso seria algo que nem você
mesmo gostaria de compreender?
А вдруг это нечто, что ты 
сам не хочешь раскрывать?