I wouldn't be surprised if it was actually a bocchi reference considering that the sparkle trailer also referenced some vocaloid artists music video for the psytrance part so they've done it in the past
I can’t lie. I’m a little alarmed by their willingness to release a character that is a carbon copy of a standard banner 5* but better. At least with Gepard and Aventurine you can cope and say that he is ice and can freeze so he has a niche. It’s the fact that they made her physical that bothers me the most.