Mafia's Doctor

Lucy Heartfilia is a doctor, and friend of Levy McGarden. However she doesn't work in a hospital and sometimes has very high demands if you want her to treat you. Natsu is a Mafia Business man whom Levy works for. Natsu gets hurt badly, and they don't wanna take him to the hospital because the people coming after him might try and attack him again while he's there. She levy decided to bring him to Lucy's house, a secluded location that no one knows but Levy, Lucy, and Larcade Dragneel. When Natsu meets Lucy, he almost instantly falls in love, but some things are different for Lucy.