Jesus Christ, she has PTSD/survivors guilt for fuck's sake. It's clear as day. She needs to be able to talk to a mental health expert. Or, at the very least, someone that knows what she's going through first hand.
@dezzot I mean how else is he going to get her family's blessing? She is royalty after all.
Chances are that they'll turn up in the middle of a heartwarming cuddle session or even a love-dovey moment & rudely interrupt them, & the broniisan is gonna take out his sword & try to kill the man touching his precious sister.