Rokudo and his friends have to wade through the entire Amori student body to keep Ranna from making the biggest mistake of her life, on top of the the bosses from the Onishima Union acting as particularly dangerous roadblocks.
They're in a pack because 
they can't do anything on their own.
.إنهم في مجموعة لأنهم لا يستطيعون فعل أي شيء لوحدهم
Ihr tut euch nur zusammen,
weil ihr allein nichts hinbekommt.
Andan en grupo
porque no saben hacer nada solos.
Vais en grupo
porque no sabéis hacer nada solos.
Vous vous regroupez
parce que vous êtes trop faibles.
Fate gruppo perché da soli
 non siete capaci di fare niente.
Estão em bando por não conseguirem
fazer nada sozinhos, né?
Вы ничего сами не можете,
вот и сбились в стаю.