This gentle, quite youth has a sad past that he never brings up with anyone. He used his warm smile and his rich sense of humor to make fun of his companions. His weapons are breathing techniques and a smile.
 

Hakuryuu is Hakkai's Pet dragon & Jeep. Yes this little dragon is able to transforms into a jeep at the command of his master. The only thing you'll ever hear Hakuryuu say is: "kyuuu".