A run in with someone special

Hermione is broken inside after the war and loses the one guy she loves the most. But she puts on a smile every day for the sake of her loved ones. With the wedding of Ginny and Harry it just puts more stress in her life. While going to get a drink in London she runs into someone famous. At first he is mean but then he warms up to her and try's to figure out her secret and heal her pain. But you guessed it that guy is the one and only most famous guy harry styles.