Leesburg High has a Guardian Angel (фемслэш)

The year is 2006, and Kara Danvers is a student at Leesburg High.
Kara is invulnerable to bullets, but she crumbles when attacked by online bullies and the mean girls at school. The new young immigrant wants to fit in, but try as she might, she is like a round peg being squeezed into a square hole.
Alex has no such trouble; she has climbed the social ladder at Leesburg High. A dozen boys line up for her attention, but she only has eyes her foster sister.
Happiness eludes both girls because they fight against who they are. Shame holds them back from being everything they could be.
With the help of two special friends, they turn the fight against those people who would control them. They choose to proclaim their forbidden love, even in the face of public scorn. And Kara learns to embrace her special abilities, even if nobody sees her using them.