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-
In the end, our lives
في النهاية، حياتنا
Letztendlich sind unsere Leben vielleicht
Al final, nuestras vidas
Al final, nuestras vidas
Au fond,
peut-être que nos vies
Alla fin fine, la nostra vita
No final, nossas vidas não passam
de histórias tecidas em sonhos.
В конечном итоге, наши жизни —