Mikado City

Mikado City is the main location in the World Trigger Universe. It has, currently, 280 000 inhabitants and is where the Border Headquarters are located.

History
About four and a half years before the start of the series a gate to another world opened and Neighbors appeared in the city and started attacking. A mysterious group named Border appeared and repelled the neighbors. In 2 days East Mikado was destroyed over 1,200 people died and more than 400 people are still missing. Afterwards Border build their base in the city to protect it from Neighbors.