I'm a Ball of Sunshine and You Can't Tell Me Otherwise

Morwenna Fenwick is just a curse-breaker trying to do her job when her life gets a lot more interesting. "'You need to smile more.' I declared before his lips dropped a touch and I held up my hand, 'not that your smile isn't nice.' I sucked in my lips, feeling terribly inept at not insulting the poor guy." (Post-Azkaban!Sirius Black x OC)