Sekai Saikyou No Majo, Hajimemashita

After using her SSS-Rank skill, Internet, to crush her former family's ambitions, Lorna is free to travel the world. Her next stop is the port town of Aquas, where she hopes to see the sights and chow down on some fresh seafood. But when she arrives, the place is on the brink of destruction thanks to a certain Weekly Quest… Good thing Lorna has the gods on her side!