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-
The columns show whether others 
understand you or not.
بينما تُظهر الأعمدة فيما إن كان
الآخرون يفهمونك أم لا
Die Spalten zeigen, ob andere
einen verstehen oder nicht.
Las columnas muestran
si otros te entienden o no.
Las columnas muestran
si otros te entienden o no.
et l’ordonnée,
ce que les autres savent sur toi.
Le colonne invece indicano
 se gli altri ti capiscono.
E a vertical, se os outros
te entendem ou não.
Столбцы показывают, 
понимают ли тебя другие.