[Filtered to Yuuki]
This isn't about you at all. It's about the girl and her long term safety. If you honestly think just behaving inside the dorm is going to let me think that all of you are paragon's of innocence and just change the past and everything that's happened to me, you don't have a clue about anything still.
I will not, under any circumstances, allow any human to be placed in a situation where they can become a piece used as power play between battles between purebloods. You left and came back. Aidou left and came back. Your uncle could come back as well.
No matter your intentions, that is exactly what you are doing by keeping her there.