Among the Stars (Sting x OC) (Rogue x OC) *Rewrite*

Katsuki Cheney was forced to watch her dragon die when she was only eight years old. Seventeen years later, she's happy. She has her best friend, Mate, and her brother Rogue. She's a member of Sabertooth as well. She's still trying to find their younger sister, Serena, though she's starting to lose hope. What happens when an old dark guild, with a new enemy surfaces? Will she find her sister? What secrets was her friend hiding? Read to find out!