Why does she have to be a student (Severus Snape/student)

Joycel Funtonhive is a girl with a very harsh past. A past that never let her go up until now that she's 16. She never expected that she would still be truly happy until Her Aunt Roselena and Aunt Black thought of a way to bring her true happiness by letting her attend Hogwarts to learn and make friends but once she had stepped inside the school she meets a man that looks at her beyond as just a student. Now will she ever warm up to this mysterious man who has been keeping a secret feeling towards her. Let's see and find out.