https://www.doujinshi.org/book/753668/

Lenna fell in love with Bartz at first sight, but all of her efforts to catch his eye have failed. But then it turns out he felt the same the whole time, he just didn't think he could ever be good enough for a princess. If you think Lenna gives a single shit about that, you must be new to Mabo Lenna.

At the end, Lenna narrates that she's the happiest woman alive.