Ritsu is attacked by students taking on strange shapes, but Satake Shogo saves him with a giant handgun.
Ritsu is taken aback by the sight of him relentlessly shooting students, but he comes to realize that other people can't see the giant gun or the transformed students.
Lost and confused, Ritsu returns to his home where he's greeted by his Mother who's now covered in static and repeating the same exact lines.
So there is a discrepancy 
in everyone's cognition.
إذاً هناك تضارب بين إدراك الجميع
Das ist eine Diskrepanz
in ihrer Wahrnehmung.
Hay discrepancias en lo que ven.
Hay discrepancias en lo que ven.
On n’a pas la même perception
de la réalité.
Quindi c'è una discrepanza
 nella percezione di tutti.
Há discrepância no parecer de todos.
Остальные воспринимали ситуацию иначе...