She was closer to yandere. She really liked him and started showing off how great a guy he was. But that got him a lot of female attention and she started getting more and more jealous and unstable. Causing her to slowly isolate him, scare off competition, being controlling, and try to get him on to be solely dependent on her. Her plan was to take him in right before he was sent away but naturally shit went sideways(His family sent him to exile far earlier). She started realizing how much of a crazy bitch she's been after that and planned to go after him