The Ink Master

[Modern! HP] After his proven innocence, Snape vanishes into the Muggle world, where he takes up tattooing people. He's left everything behind him in the Wizarding world and is content. What happens when Hermione Granger comes to him, demanding a tattoo? And why is she covered in scars and bruises? Rated for self-harm, mentions of abuse and suicide/suicidal thoughts