Well it's been awhile since I saw the raws but here goes ....Spoilers!!!!!!!!!!!!!!!!!!!
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So starting from where chapter 12 left off basically Kara and the Guard have sex and Kara gets pregnant. When Charlotte finds out she gets really mad and badass as she thinks the Guard took advantage of Kara. ╮( ̄▽ ̄)╭
Then back at the palace the Guard is still swooning over Kara and somehow ends up going to this place where Kara is beating up a bunch of guys and he falls for her deeper.(⌒▽⌒) At one moment there's a guy who guy who at first seems to get the upper hand and the Guard is about to jump in and defend her when Kara takes care of him.ヾ(☆▽☆)
The two are then summoned over to Charlotte who interrogates him (the gaurd) first about her sister Kara and the Guard confesses his intentions then Kara admits she loves him as well and Charlotte gives them her blessing and then tells them both (Kara too) that they are going to have a child. ヾ(❀╹◡╹)ノ~
I forgot to mention this but one of the maids secretly told Charlotte Kara was pregnant and so Charlotte didn't tell her till she found out the intentions of the baby's father. ٩(๑❛ᴗ❛๑)۶
After being told he is going to be a father the Guard is ecstatic and Charlotte seems excited for her new upcoming neice/nephew. (●'◡'●)ノ No romance with Charlotte yet although I have heard she marries the mage, the King's younger brother.(▰˘◡˘▰)

I DESPERATELY NEED SPOILERS FOR THIS I CANT WAIT ANY LONGER