It's great that Mob joined the Body Improvement Club, but he suddenly faints as he's running along the riverside. His wish is to get stronger and to be able to get closer to his beloved Tsubomi-chan. One day, as Mob is feeling troubled, a woman with a strange mask approaches him... Progress toward Mob's explosion: 20%
A grade schooler called 
"Mob" by those around him.
تلميذ في الابتدائيّة يدعونه المُحيطون
"به باسم "موب
Ein Grundschüler, den seine
Umgebung nur Mob nennt.
Es un chico de primaria
al que llaman "Mob".
Es un chico de primaria
al que llaman "Mob".
C’est un élève de primaire
que l’on surnomme Mob.
Un ragazzino delle elementari chiamato "Mob" 
da quelli che lo conoscono.
Um estudante, chamado de Mob 
por aqueles que o cercam.
Окружающие зовут этого
младшеклассника Мобом.