South Park the end of the Fucking world [English]

South Park , a quiet city in which its inhabitants live a most peaceful life ... bullshit! For many years the world has been immersed in an apocalypse to which this city has not escaped! Waves of Nazi zombies have invaded this universe and are destroyed, the survivors live in small groups and are close to everything to stay alive.
Welcome to South Park, young traveler.
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History written to the 3rd person with an omniscient narrative. + there will be a rather vulgar way of writing, especially on appellations.
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Good morning to you! Here is my first written story , I hope not to burn your eyes too much and that you would appreciate my work , I also hope not to skin too many characters , I try to keep it as close to their original characters even if it is an AU ( alternative universe ).
(the characters are also 22 years old here )
+ Drawings that will be put with the writing will be made by me.
+ thanks to Nathan F who corrects my spelling errors before publication ( rip to your soul and to you are eyes by the way ) and to Hrvoje Horvat (fb) who to find the name for this fanfiction ~
note for English translation:
I'm sorry, there will certainly be a lot of bad wording and especially references to French replicas which unfortunately should not have the same effect in English , I hope that the story will still be pleasant to read despite all this
( although the story is not focused on the topic there will be BL ( boy love ) it will not normally be too present but there will still be)