You got the Wrong Hathaway 

So in this story rose has an sister called Clarity and she lives in the human World and not A part of the school she has a 3 year old daughter called flora and they get taken back to the academy when Rose and lissa runaway instead of the girls. Clarity Has to prove that she is not rose all Was looking after I terrified little girl and trying to do all the classes her sister had to do Even though she is a Mario she lives with her father and is a Fire user but they don't believe her and would not let her go in till she tells them where the princess is and we'll the only person who believes her is damitri and he comes close to flora will that falls in love