>Being this weirdly against it makes me worry of what you two would do if she actually did VA for lewd stuff as a side gig or somethingmissed the last thread but there actually are, not as polka or while being polka obviously. Not going link to them because I don't know how other people would feel about that, but here's the system voices, 田舎お姉ちゃん is the one that sounds most like normal polka if that's all you want
https://litter.catbox.moe/d1r1b6.rar 