monster apocalypse

Intro you're in monster apocalypse, people are can using different power after the apocalypse happen, you now in a abandon city and hidding in your lil camp, the monster is everywhere you can tamed them but it's really hard to do it, it's been 8 week after the apocalypse and now you're been dead or smt (as your story) you're now isekai to the the time that the apocalypse isn't happen now and you're at your school now, what will you do? bonus about the apocalypse and monster: the monster and human rank: F- to SSS the monster upgrade form: - lil (the first upgrade) - normal (the number two upgrade) - bigger (the number three upgrade) -titan (the end of upgrade) monster: zombie, skin walker, the darkness and the titan, you may add more -there is 15 main Base aground your country -and 45 support base character you can meet: Milo, Sora, Mira, Jason.... add more (don't mind the voice)