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.
A Class A hero fighting them
all alone and on the brink of defeat.
Ein Held der A-Klasse
scheint sie allein angreifen zu wollen.