What-
The person who shot the arrow is male and he’s a demon (or something) pretty sure he was trying to kill her
He's the concubine's lover
What concubine? There was only one but her and her lover are both dead (her lover also looks nothing like him)
Well he’s probably not dead but why would the concubines lover wanna kill her? Is this a spoiler?
Maybe spoilers!...
This is just a theory too..
Actually, I think that's Lady Adelia van something, (sorry forgot her full name, the blond girl who was punished from attending future parties), she's being taught black magic by that guy, and that's her 'demonic image or alter-self' from using magic, Adelia wants to kill her because she still wants the crown prince for herself and to 'kill the bitch who insulted her' but her life is in danger the more black magic she uses plus she's being used by that guy whose teaching her that's why that panel where she's bleeding from her mouth explained my theory.
i got it she shot the arrow to draw attention to safe the elf child