Talk:Kaai Yuki V4/@comment-28110847-20160404172426/@comment-53539-20160404190223

Sadl, in this case, along with Oliver there are other issues at hand that prevent too much change to the product. Child grow up... Thus the source of that vocal is lost as they grow. Though Yuki should not quite be in the same boat, as boys vocals break and girls don't.

They highlighted this as a issue with Yuki already, her GWLS aren't gathered from the original vocal source.