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.
Please be sure to take your belongings 
and be careful as you leave.
احرصوا على أخذ أغراضكم واحذروا
أثناء المغادرة رجاء
Por favor,
no olvide recoger sus pertenencias.
Por favor,
no olvide recoger sus pertenencias.
N’oubliez pas vos affaires
et prenez garde en descendant.
Assicuratevi di non aver lasciato nulla sul treno
e prestate attenzione mentre scendete.
Por favor, verifiquem se
estão com seus pertences.
Пожалуйста, не оставляйте
свои вещи в вагоне.