Edit: apparently this is a very common form of Japanese storytelling called an isekai. There are 8 billion people in this world, no idea can be original. And sometimes you miss out on things many other people know. I’m clearly one of today’s lucky 10000.
Okay, so I’m shocked and after a while I’m definitely hopping out of the train, presuming no emergency services show up. I don’t think I’ll last long if dragonflies are that large but I sure will die looking for them