It's normal that it keeps attacking her because her brother is behind this. He is the manager of floors 3 and 4 so he can interfere. She is the child in the diary and this whole mess started because of her and her family but I don't remember the details since I lost interest at that point in the novel. She ran away to another world and forgot about her previous life. But her brother, who refused to let her go, managed to trick her into coming back with the game, it was a trap and not a real game (he did that thanks to the devil I think). The backstory is kinda crazy and I didn't understand everything to be honest, and the story gets less and less interesting once they are outside the mansion. Anyway, inside the mansion Dietrich looks more like a side character but once they are outside it's different, in my opinion.
Well... He was in love with her. Yep. He was mad that she had a relationship with Dietrich (before the mansion, I'm talking about their past) and managed to bring her back to the mansion, from what I remember. She agreed to have a relationship with him more or less, like I remember reading she and her brother kissed once at least. But she ended up running away from him because he is crazy and tried to ruin Dietrich's life or smth. Which did not help his obsession with her apparently. Mind you, she kept telling herself that she was not in love with Dietrich but just wanted to use him to break off her engagement or smth like that, because she thought he had an important position. And before his downfall that was true, but after he was demoted and she got disappointed and was planning to leave him. So she thought she could rely on Johannes to get the same result, which turned out to be a bad idea.
I mean I'm only talking about the flashbacks, once they are outside they don't encounter Johannes. But I stopped reading around chapter 100 or so, so I don't know about after that. I stopped bc both of them became pretty crazy and I don't like how she treats Dietrich. She even tried to kill him, well it was because of the system but still. She had a quest saying that if she wanted to be able to stay outside the mansion, she had to kill Dietrich and herself or smth like that. I hope the manhwa won't follow the same direction...
I’m probably dropping, the story was good but honestly the mansion keeps throwing in bullshit rules last minute. And it seems to only affect Charlotte even though he’s supposed to be their target. Her not helping him leads to her being trapped there again if he dies, her helping him leads to her being tormented. They even introduced 3 psychos in the house who are targeting her more than him, im starting to think she’s the target and he’s a character introduced into the story to distract her.