One thing I have realized through being a Numi enthusiast is that chuubas who are overflowing with sex appeal, are often overflowing with lots of other good qualities -- because they are talented in general, and just have attractive way about them.
it's not a coincidence that she's also great at banter, humor, collabs, ADHD storytelling, and decent and making music, in addition to being good at orgasmic squeaking.
I can't think of a vTuber who is sexy but also boring and stupid, probably because being boring and stupid is inherently unsexy.