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Z-City (Z市, Zeddo Shi) is a large city on Earth. It consists of a business district, a residential district, and an abandoned, trashed area commonly referred to as the Ghost Town. Saitama and Genos are inhabitants of the latter area, which is home to many Mysterious Beings but is free to live in. It is rumored to contain incredibly powerful Mysterious Beings.

Z-City has had the greatest percentage increase of monster appearances in the past decade.[1]

There are at least 4 heroes living in this city.

Locations[edit | edit source]

Z Police Station[edit | edit source]

Z Police Station

The Z Police Station is the base of operations for the Z-City branch of the police force.

Shelter Nr. 7[edit | edit source]

Shelter Number 7

Shelter Nr. 7 is a public shelter located in Z-City, built by the Hero Association for use in the event of an attack by Mysterious Beings. Externally, it consists of a giant dome lined with circular vents, which is able to withstand anything from extreme temperatures to missile attacks.

The mountain on which Bang's dojo is located

Shelter Nr. 7 very much resembles a sporting venue, with at least seven different entrances meant to accommodate large crowds. It was designed specifically to repel Mysterious Beings, and features biometric authenticators at each entrance to detect any possibly masquerading as human; once the shelter's defense system is active, all entrances are sealed and locked.[2]

Saitama's Apartment

The interior of the shelter is largely open space, with rafters overhead installed with sprinklers and speakers to spray negative ions and play classical music, respectively—both meant to calm its likely-panicking evacuees.[2]

However, Shelter Nr. 7 does not feature any restrooms, a rather glaring oversight given its enormous capacity.[2]

Bang's Dojo[edit | edit source]

Bang's Dojo where Bang trained his students, until one, Garou, beat some of the best disciples, and left the rest too scared to go back. The only remaining disciple is Charanko.[3]

Hero Association Z Branch[edit | edit source]

Saitama is summoned here to talk about a promotion to B-Class.[4]

Matsuri[edit | edit source]

Summer Festivals are held here.[5]

Uninhabited Zone[edit | edit source]

The east area of Z-City contains the uninhabited zone, also known as the Ghost Town. A few years ago, frequent appearances of highly strong monsters caused residents to move closer to the center. There are rumors about a massively strong monster living in the uninhabited zone, scaring civilians and leading to the area to be closed off from the public.[6] However, Saitama and Genos still live there, as the mysterious beings pose no challenge to their tremendous strength.

There are also rumors of an elite gathering of monsters for a secret purpose.[7]

The Subterranean People lived underground in the uninhabited zone and it is also where the Monster Association Headquarters is located.

Inhabitants[edit | edit source]

Heroes[edit | edit source]

Number of Heroes by Class:

  • S-Class: 2
  • B-Class: 1
  • C-Class: 1

Known[edit | edit source]

Monsters[edit | edit source]

Villains[edit | edit source]

Civilians[edit | edit source]

Plot[edit | edit source]

Introduction Saga[edit | edit source]

Saitama Introduction Arc[edit | edit source]

The Underground King leads his forces to invade the overworld, but is killed by Saitama soon after surfacing.[8]

House of Evolution Arc[edit | edit source]

Z-City's Hero Association Branch

Z-City is first mentioned by name when there is a mosquito outbreak caused by Mosquito Girl. Genos ends up fighting Mosquito Girl, but is ultimately defeated after Mosquito Girl transforms. The monster is then defeated by Saitama.[9]

Hero Association Saga[edit | edit source]

Rumored Monster Arc[edit | edit source]

The Hero Association begins an investigation of Z-City, especially the uninhabited parts and sends Golden Ball and Spring Mustachio to investigate. They do not find the rumored monster, but find Kombu Infinity instead. The A-Classes heroes are defeated, but not before they call back up. Saitama, coming home from a shopping trip, beats up Kombu Infinity and steals all its hair for use in his soup.[10]

Giant Meteor Arc[edit | edit source]

A giant meteor is heading straight towards Z-City and the S-Class heroes receive a summons to help in dealing with it. Genos and Metal Knight attempt to destroy it but fail. It is eventually destroyed by Saitama, but causes massive collateral damage.[11]

Human Monster Saga[edit | edit source]

Super Fight Arc[edit | edit source]

Gouketsu is on his way back to Z-City, when he is confronted and killed by Saitama.[12]

Monster Association Arc[edit | edit source]

Gyoro Gyoro delivers a message to the Association's members and Orochi kills Awakened Cockroach.[13]

The S-Class heroes, Sweet Mask, Atomic Samurai's disciples, other support heroes, Bomb and Fubuki perform a raid on the Monster Association base, with the assistance of Saitama who wanders in by himself.[14]

The Monster Association Headquarters is ripped out of the ground by Tatsumaki during her fight with the fusion of Psykos and Orochi, destroying a massive portion of the Z-City Ghost Town (including Saitama's Apartment) and causing extensive damage spanning across the rest of Z-City.[15]

References[edit | edit source]

  1. One-Punch Man Encyclopedia; One-Punch Man: Hero Encyclopedia
  2. 2.0 2.1 2.2 One-Punch Man Omake; Summer
  3. One-Punch Man Manga; Chapter 29
  4. One-Punch Man Manga; Chapter 28
  5. One-Punch-Man Audiobook; A Summer Festival with Tatsumaki
  6. One-Punch Man Manga; Chapter 20
  7. One-Punch Man Manga; Chapter 20, page 37
  8. One-Punch Man Manga; Chapter 4
  9. One-Punch Man Manga; Chapter 6
  10. One-Punch Man Manga; Chapter 20
  11. One-Punch Man Manga; Chapter 21
  12. One-Punch Man Manga; Chapter 75
  13. One-Punch Man Manga; Chapter 79
  14. One-Punch Man Manga; Chapter 84
  15. One-Punch Man Manga; Chapter 130, page 11-16

Navigation[edit | edit source]

World
Cities A-CityB-CityC-CityD-CityE-CityF-CityG-CityH-CityI-CityJ-CityK-CityL-CityM-CityN-CityO-CityP-CityQ-CityR-CityS-CityT-CityU-CityV-CityW-CityX-CityY-CityZ-City
Locations Bang's DojoCafe & Restaurant TogusFinal Training GroundHero Association HospitalHouse of Takoyaki 🐙King's ApartmentMonster Association HeadquartersMoonMouse SushiNinja VillageSaitama's ApartmentSmelly Lid PrisonZ Police StationZ-City Ghost Town
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