Very little hype everywhere. All of the Japanese language news aggregator and big personality accounts have mostly completely missed her.
The person that created her did not market her traditionally
I mean for the western fanbase, the "hyper-cute" anime girl archetype is just not that popular so it's not too surprising. Like, the "moe" aesthetic in general is somewhat disliked by western anime fans, and that kinda bleeds into western vocalsynth fandom too (though not as much).
As for the JP side I don't know actually, but If I had to guess it's probably an oversaturation issue. Vsynths heavily favor cute feminine voices, and that's especially true for Cevio, like the only deeper feminine voice I can think of is Rose and like... maybe ONE? (I will admit this is mostly based on usages I heard by producers/cover artists so take this with a grain of salt). Anyway the point is there is quite a few Cevio AI banks of this type already and she does not seem to bring something else missing in Cevio singers.
And just to make it worse for the poor girl, her release is extremely close to the releases of Jun and Teto SynthV, a highly anticipated by western fans english male vocal and a new voicebank for a very popular character with an established fanbase respectively. She really does not have the odds in her favor I'm affraid. That's said, she might carve a small but loyal fanbase so who knows?