Been around on YouTube looking for giant and tiny things, which is incredibly difficult to find anything good, and I stumbled across this anime :3

The plot has nothing to do with tiny people but it has quite a few scenes and this is by far the closest thing to what I imagine that I could find

Alsoo, I've found two other things! One of which I found on my own and the other was a suggestion from SweetSimulation
(unsure if she wanted to be tagged, so I left it unmentioned)

I'm going to link what I found on the chat thread connected to this, or you can scroll to the comments :3
I haven't been able to find the anime show on any platform I use, otherwise I'd link that as well :c

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Two anime as well which I'll just mention because I don't know who all watches anime or where y'all would watch it

Hakumei and Mikochi
My little mummy
The secret world of Arrietty