Several of the emotes look extremely close to each other, to the point that if it's not Pikamee it'd be considered plagiarism. Beyond general things like "both have one holding a heart" their expressions in it are near identical, unlike say Fauna's which is a similar concept but distinct.
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I mean, say what you want but these are pretty generic emotes all things considered. I could pull a few other comparisons if I cared to go rooting for emotes from fleshtubers I watch that have the same kind of emotes.
I'm surprised you didn't compare these two, they're literally the same:
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As for whether Pika actually gets into Vshojo, I'm indifferent. It's not like Vshojo had anything to do with that and I seriously doubt Froot cares enough to start drama. As long as she's around and happy I'm cool with it. Though it would be very funny if after all the speculation and doomposting this talent debuted and it turns out to be some literal who. Or Namie
This, though.
This better be Pika though, otherwise all this rrating will be meaningless.