Jason Joseph "J.J." Dorgias, a pivotal strategist and player for Australia’s U-17 tennis team, balances volatile aggression with unresolved guilt tied to his younger brother, Noah. Once a doubles pair at a prestigious academy, their partnership hinged on Noah’s exceptional talent until progressive blindness led to Noah’s expulsion. Now competing alone, Dorgias channels his tactical brilliance into securing victories, such as advocating defensive lineups to neutralize Japan’s offensive threats, yet clashes with teammates over his abrasive conduct and dismissive disregard for authority.

Beneath his combative exterior lies a fierce loyalty to Noah, whose forced departure from tennis haunts Dorgias. He compulsively crushes apples—a visceral echo of their shared ritual—and peels them tenderly during quiet moments with his brother, revealing a protective tenderness at odds with his ruthless court persona. Though driven to honor their mutual ambitions, Dorgias grapples with doubt, wrestling with the emptiness of success without Noah and the gnawing guilt of advancing alone. His story pivots on this tension: a strategist torn between unyielding ambition and the fragile bond anchoring his identity.