
Will she able to change her brother?( ̄へ ̄)

she definitely makes him care for her a lot more but he remains manipulative and obsessive so he goes to violent extents in order to keep cayena within his grasp. he kills off her caretaker which horrifies her and makes her realllly sad so in a way she is unable to change the violent temperament of her brother

Spoiler
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He becomes a doting brother, sweet, nice, but the doting goes to far and becomes dangerous, he becomes obsessed with her. He killed her precious nanny and tried to disguise it as a suicide. So, in exchange, to get her revenge and teach him a lesson, FL decides to become emperor. Rezef is then exiled when she becomes emperor.

Oml this guy is just too much.... UGH ヽ(`Д´)ノ I want to feel bad for him but I just can't, I know he has a lot of issues since he didn't get attention and is an illegitimate child but that doesn't mean he can do stuff like that. I also understand why he would get obsessed over her, it's probably the reason he got obsessed with the previous fl. He just wants someone to pay attention to him and take care of him. when the fl started to be nice to him and kinda dote on him he he was probably felling "loved" for the first time thus concluding why he was obsessed with her.... BUT STILL NOT OK (/TДT)/
lol that was really long sorry ٩(๑❛ᴗ❛๑)۶
That male concubine, whatever he's name is truly a bitch.... He just goes around seducing people. He also tried to seduce that red haired dude... He's intensens are indeed unavoidable.