Identify info for find game or video

[lednaruto]

I found this video of Genshin Impact and I was wondering if anyone could tell me if it's a game I have a simple video, if it was a video I would like to know what program they use to make them thanks, if it was a game could you tell me which one it is? Thank you

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[somepassingguy]

doesn't look like a game, so probably made with Koikatsu