Owaru Ryūdou, 15-year-old third son among four brothers, bears the title of White Dragon King of the West, commanding authority over air, wind, and sound. A whirlwind of energy and brashness, he defies academic routines yet excels at Kyowa College, standing in stark contrast to his reserved siblings through his voracious appetite for brawling and feasting. His fists fly faster than his patience, sparring with authority figures like eldest brother Hajime—a father figure whose reprimands temper Owaru’s impulsive clashes. He fiercely shields the youngest brother Amaru, dragging him into adventures while vigilantly guarding his safety. Though unmatched in athletic prowess and combat instinct, his battlefield carelessness repeatedly forces siblings to intervene, balancing the chaos he unleashes.

Thrust into conflict with antagonists like Lady L, Owaru endures capture and experimental torment that unlocks his draconian transformation. This crucible shifts his trajectory from hotheaded brawler to a youth grappling with celestial duties tied to his awakened lineage. Alternate narratives in spin-off manga channel his chaotic spirit into comedic misadventures, such as a myth-tinged quest to "wake snakes" in Osaka, showcasing his adaptability to humor without diluting his fierce loyalty.

His powers harness atmospheric violence, dragon-form gusts shredding adversaries with cyclonic fury. As threats escalate from foes like Dr. Tamozawa, Owaru’s evolving mastery over wind and sound demands tactical growth—balancing raw power with strategic precision during survival crises that test both his claws and newfound resolve.