Well you did a nice job and since it seems to be a one shot, that's fine. Nice and I like the Medieval setting. The only thing that was awry was that he saved her and betrothed her the same day and she was 13, then on the marriage day, 10 years later, she is 25, should be 23. But that's a quibble. Nice story, cheers!
So I literally just read your KakaxSaku version of this on FF the other day, and I was like wait what: this sound's familiar! I loved both versions (though I'll admit the KakaxSaku one won me over first and is my favorite). It was nice, short, sweet, and enjoyable :)