Jackie was a orphan who had no parents and often lays on the couch to watch anime and and movies esspecally yugioh and Godzilla he didn't like humans at all but one thing he adored was kaiju and giant monsters I know it is strange so you know how it goes Mc dies gets reincarnated with 3 wishes ok time skip to that moment
. jackie I died where am I 1. question yes you died
Now you have to get reincarnated with 3 wishes no limits this Jackie ok I guess
1. wish I wish to become anything I want including kaiju and yugioh cards.
GOD " ok I guess that is reasonable"
2. wish I want a sytem it can make me transformed into anything I want no limits and I can break though my limits and make my self stronger super quick" God "ok it should be hard to get strong but you can become the strongest if you put your mind to it".
Jackie "I guess that is fair" now for my last wish I want to be able to travel the multiverse. GOD "ok granted"God"everyone wishes for that ok I guess"
you will now start off in the monsterverse world bye bye