Title Recommendations based on Holland March

Supergirl Kara spent most of her life hiding her powers. But after discovering the joy of helping people she decides to put her strength, speed, and ability to fly to good use. Unfortunately, there's a little bit of a learning curve when it comes to being a hero, and Kara has to figure that out while keeping up her secret identity.

Everything was normal for Clary Fray until she witnessed a group of teenagers murder someone. Now she's seeing things no one else can see. And her mother has vanished, leaving only a cryptic message. Clary joins the Shadowhunters, who are humans infused with angels' blood who use their supernatural abilities to wage a secret war against demons and monsters. They don't seem keen on her joining, but now that she knows what's out there, what else can she do?

Young nobleman Ciel Phantomhive is determined to find his parents' murderers so that he can get his revenge by killing them. In order to do this, Ciel has made a pact with a demon—his butler, Sebastian. Sebastian will serve him faithfully until Ciel has accomplished his goal. At that time, Sebastian will eat his soul. Fair trade, right?

In Pretty Little Liars, everything seemed to be going perfectly with the group of best friends—Alison, Aria, Emily, Spencer, and Hanna. But after Alison and Aria caught Aria's father cheating on her mom with his student, Alison constantly threatened Aria with the secret. After Alison mysteriously disappears, the truth becomes impossible to uncover.