Falling in love with the devil

Rebecca Belemonte is orphan.Since she arrived to Hogwards,she has never left.Spending all the holidays there,with the ghost's company didn't affect her.She's in her fourth year,and when a series of pleasant and unpleasant events take over her life,she's being provoked to get over her worst fear,and has to figure a way to keep her friends,and even rivals,safe.