On the bright side she isn't that hard to talk into having a good time with, but unfortunatly, yes, she is a bird-brain, so she will have no idea what she is doing once you've succeeded in getting intimate with her.
Yeah...didn't know it until I added it. The main reason is that, on Pixiv, there is actually a tag that roughly translates to "ignorance situation." Here's the tag for it: 無知シチュ.
For some odd reason I thought there was a similar one on Danbooru, but guess I was wrong. If anyone wants to modify/remove it go right ahead.