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.
– Where are they?
– Hey, best forget it!
أين هم؟ -
!من الأفضل أن تنسى الأمر -
Hey! Lass das lieber!
– Où est-il ?
– Tu ferais mieux de rentrer !
Dov'è?