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J-City (J市 J Shi) is a large seaside city situated on the Earth.

There are at least 15 heroes living in this city.[1]

Locations[]

Evacuation Shelter[]

The Evacuation Shelter is a public shelter located in J-City, built by the Hero Association for use in the event of an attack by high-level Mysterious Beings. It was used when the Deep Sea King attacked, although it was broken open. Externally, it consists of a giant dome with circular windows lined around the top.

Smelly Lid Prison[]

Smelly Lid Prison is a high-security prison that holds some of the world's most dangerous criminals. It is located on a small island just off the coast of J-City.[2] The S-Class Hero, Puri-Puri Prisoner, is imprisoned in this facility and regularly breaks out to do hero work.

Junkyard[]

There is also a Junkyard located on the same island as the prison, which is where the monster TV Junkyard Monster was created.

Inhabitants[]

Heroes[]

Number of Heroes by Class:[1][3]

  • S-Class: 1
  • A-Class: 1
  • B-Class: 3
  • C-Class: 11

Known[]

Monsters[]

Plot[]

Hero Association Saga[]

Sea Monster Arc[]

J-City is invaded by the Seafolk. The A-Class hero Stinger is able to fend most of them off until the Sea King arrives.[4] The Sea King rampages through the city, causing chaos and defeating the heroes Lightning Max, Puri-Puri Prisoner, Bunbun Man, All Back-Man, Jet Nice Guy, Sneck, Mumen Rider, and Genos. Before finally being stopped by Saitama.[5]

References[]

  1. 1.0 1.1 One-Punch Man Anime; Episode 14
  2. One-Punch Man OVA; Puri-Puri Prisoner and the Jailbreaking Prisoners
  3. One-Punch Man OVA; Puri-Puri Prisoner and the Jailbreaking Prisoners
  4. One-Punch Man Manga; Chapter 23, page 23
  5. One-Punch Man Manga; Chapter 27, page 6

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