Bad Gone Soft (Jerome Valeska)
When a pickpocket steals Jerome's wallet... He thought she was adorable, so he let her go. But ends up stalking her. Jerome falls in love with the trouble girl, who only cares about her sick mother. Jerome starts protecting her. But when Jerome gets arrested, she starts doing the protecting...
(Okay so I had writing this and I had over 1000 votes and my phone glitched and it deleted the story. So now I'm rewriting it. Better than before.)