Yoko is just a mere servant of Princess Yona, or is she? Being born in a devastating life, a mother who died in an early age, a father that she never knew, and an unknown grief that chained in her life. Yoko is the Black dragon or so-called, Kahuryuu. She was trained as an assassin in an early age by her grandfather who died before she left her village. She is uncrontrollable blood thirst. Never knew the legends and existence of the other dragons. Her only thoughts is to unreveal her abilities and her existence. She thought she was happy with her choice to became Yona's main servant, when she is still just 8 years old. However as time passed, her fate changes on that night when Lord Soo-won killed the Emperor that forced General Hak and Princess Yona to flee the castle along with Yoko. Will she able to control her blood thirstiness and able to show her abilities? Or to stay quiet from her own friends? Find out in the lost dragon. *** I don't own anything except for my oc's.