「見た目はウブそうなのに中身はウブじゃない子」と「見た目はウブじゃなさそうなのに中身はウブな子」です。
お好きな方をどうぞ。

Here's "Innocent-looking girl who is not actually innocent" and "Not innocent-looking girl who is actually innocent".
Please choose which one you like better.