Returning to Hogwarts for her fifth year, Y/N carries a weighty secret. This year, she isn't alone; her seven-year-old sister is with her, a stowaway unknown to the Hogwarts staff. Following the tragic loss of their parents to a rare potion-induced magical disease over the summer, Y/N faces an impossible dilemma. As she’s not yet of age, she fears that revealing their parents' death would lead to her sister being taken into care.