Information-Before Reading

(COMPLETED)
Meet Yona, the cherished princess of the 'peaceful' kingdom of Kouka. When something terrible happens on the night of her sixteenth birthday, Yona is forced to escape her luxurious life with her childhood friend and guardian, Hak Son. Now, persistent to gain her throne back, Yona decides to look for the four Dragon Warriors, four people who received the powers of the dragon gods that were sent to protect the red dragon, Hiryuu. They carry the blood of their respective dragons in their bodies which grant them a devastating ability.
Now meet Y/N L/N and her twin brother Akio L/N. Both were childhood friends with Princess Yona, Lord Soo-Won, and Hak Son. They're also the fifth Dragon Warrior, the Gin Dragon.