A pack of monsters calling themselves the "Clan of the Seafolk" arrive on the shores of City J intent on invading the land. When the hero sent to fight them is defeated easily by the Deep Sea King himself, Saitama and Genos head for the city to help.
To assuage the public's fears
and worries,
،لتهدئة مخاوف وقلق النّاس
Allein, um den Menschen
ihre Ängste zu nehmen,
Pour alléger
les souffrances des gens,
La vita dei cosiddetti eroi