Responses
You clearly can see that he's not interested in her that way, he stated that long ago that he wished he found his sister a bit earlier since she was the reason his repeating loops stopped + if anything, ludville is more suspicious from the beginning fym he was rivaling even ravi and not just the other duke's sons?
Jainer is just the envious type, once he knows someone he cares about a lot has people other people they care about more than him he becomes possessive that way
JANIER, ISTG NO INCEST! YOU MAY HAVE BEEN ADOPTED BUT STILL, YOU TWO ARE KNOWN AS SIBLINGS, BLOOD RELATED OR NOT, YOU TWO ARE A FAMILY. Please, just be an overprotective brother like her other brothers, don't involve romantically, please. I don't wanna drop this. Don't give me a reason.