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-
What are you doing here?
ماذا تفعلين هنا؟
Was machst du hier?
¿Qué estás haciendo aquí?
¿Qué estás haciendo aquí?
Qu’est-ce que tu fais là ?
Che ci fai qui?
O que está fazendo aqui?
Что это ты там делаешь?