Portal fantasies of various kinds - especially in East Asian media - are very popular these days, aren't they? I generally use the Japanese term
isekai ("different world") to refer to these, however inaccurately.
I quite liked the insight I saw on social media recently about the cultural differences between Japanese, Korean, and Chinese isekai media, which can be summarised as follows:
- Japanese isekai are more likely to start with a protagonist who feels useless in the modern world (is a NEET, ignored by family, worked to death by a black company, etc.) who then dies and is reincarnated in a world where they feel valued and where they can relax. So the main fantasy here is about getting away from your awful meaningless life in modern Japan and starting anew somewhere with possibilities.
- Korean isekai are more likely to be about surviving and levelling up in in your new reality, proving yourself by sheer hard work and repetition to get powerful. So the fantasy here is about hard work actually paying off (unlike in modern Korea) and gaining rewards from that.
- Chinese isekai are more likely to be about being overlooked and disrespected initially (whether in modern China or in the new world, usually both) and then gaining power and respect through your exploits, especially in terms of gaining helpful social relationships. So the fantasy here is about gaining the respect and notice of powerful people.