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.
What have you been doing since you 
ran out of the entrance ceremonies?
ما الذي كنت تفعله منذ خرجت مسرعاً
من مراسم الدخول؟
Bist einfach abgehauen,
was treibst du denn?
¿Dónde has estado desde la ceremonia?
¿Qué has estado haciendo
desde que te fuiste de la ceremonia?
Tu fous quoi depuis
que tu t’es tiré de la cérémonie ?
Che hai fatto da quando sei scappato 
dalla cerimonia di apertura?
O que fez desde que fugiu da
cerimônia de início de ano?
Что ты делал после того, 
как сбежал с церемонии?