Super Girl and Flash in an AU, different people, different names, different pasts, but all the power.
Super Girl is still new to this whole Superhero thing and the Flash is a veteran in National City, the two bump into each other in the real world. And again in their world of powers. A relationship is born and the love grows with each chapter. As well as Super Girl's adopted sister, best friend, and support, Kat who falls for Van the tech guy at star labs, who happens to be the Flash's best friend.