It's been five days since Saitama became a professional hero and he has yet to do anything heroic. When Genos informs him that C-class heroes who don't fight bad guys are dropped from the hero registry after a week of inaction...
Here we are in City Z.
.ها قد وصلنا إلى المدينة زد
Das ist also Z-Stadt.
Voilà donc la ville Z.
E così questa sarebbe la Città Z...