F-City

F-City (F市 F Shi) is a large city within the world of OnePunch-Man. Not much is known about the location, other than it is under the supervision of A-Class Hero Sneck and that Hammerhead was last spotted in this city.

Golden Turd
A tall building owned by Zeniru that is decorated with a golden statue, shaped like a feces on the rooftop.

Heroes

 * Sneck

Villains

 * Hammerhead

Citizen

 * Zeniru

Paradise Group Arc
Hammerhead and his Paradise group go on a rampage before being stopped by Speed-o'-Sound Sonic and Saitama. After his defeat and the deaths of his followers Hammerhead swears to get a job.

Rumored Monster Arc
Sneak spys on Hammerhead while he is looking for a job and is told by the association to keep an eye on him.