W-City

W-City (W市, W 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 Superhero Heavy Kong.

Superheroes

 * Heavy Kong

Monsters

 * Marshall Gorilla

Rumored Monster Arc
Heavy Kong reports the state of W-city.

Monster Raid Arc
The city is attacked by Marshall Gorilla. Heavy Kong tries to defeat him but fails.