Survive ( MCYT + Reader Apocalypse AU)

Dear Diary,

It has been 3 weeks since the apocalypse starts and it seems that the apartment is holding out quite well. There are some food and drinkable water left, enough to last me a week more. To be honest, I don't know why I am trying to survive right now. My family's dead and I am all alone in the apartment with no one to talk to. The Wi-Fi is long gone and now my morale is more down than ever. And it's only been less than a month! I'm running low on hope and my level of despair is slowly rising... I don't know what to do.
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When the world have gone crazy and started throwing zombies in her face, (Y/n) was prepared. (Y/n) is an introverted 22 years old human with mild paranoia and mediocre anxiety problem. She was studying psychology in a university to be a psychiatrist and help people around her but as of now, it seems that she needs more help than anyone else. Thanks to her paranoia though, she was (kind of) ready to face the apocalypse with tools to survive. But, she didn't even know why she was surviving. She had no family left. No friends. No purpose to live. That is, until she found two stray boys, trying to fend for themselves in the street.