I think shes after Estelle because she may know something about her the fact that she knows her history and stuff or its just because she's the most vulnerable in the family to talk to. I also recall Ein(Estelle's father) mentioning, the royal family not weakening unless the Castiello disappears.I think she needs power. ╮(￣▽￣)╭
This changes from shoujo to shounen ai lmao
Roel was a girl. Just a very masculine one.