Hakuryuu Ren is the fourth prince of the Kou Empire and the younger brother of Hakuei Ren in the Magi franchise.
Hakuryuu's family was killed by Al Sarmen and enemies within Kou Empire. When their home was on fire, his older brother splashed his blood over Hakuryuu to protect him. Despite that, Hakuryuu received burn marks over his face. Hakuryuu vowed to seek revenge against his family's murderers and to protect his older sister, Hakuei.
Hakuryuu Ren is created by Shinobu Ohtaka who has no information regarding any inspiration used to create him. He first appears in volume 3: chapter 25 and episode 5.