Ruler of Shadow (Male Reader X Bakugan)

Shiro once stood beside the Battle Brawlers as one of their brightest and most loyal friends-an instinctive fighter with a good heart and a talent that rivaled even Dan's. But the boy they knew vanished the moment Shiro's own family tore his life apart. Their betrayal shattered everything he believed in, leaving him alone, hardened, and burning with a quiet darkness no one could see.

Years later, as the war between Neathia and Gundalia erupts, Shiro returns to a world that moved on without him. He's stronger now, sharper, and far more dangerous than before-yet the shadows of his past cling to him like a second skin. Reuniting with the Brawlers forces Shiro to face old memories, fractured trust, and a version of himself he no longer recognizes.

But this time, he isn't the one who needs saving.

When ancient powers awaken and loyalties collide, Shiro must decide whether he will fight beside the friends who once meant everything to him... or step deeper into the darkness that forged him.

A story of betrayal, rebirth, and the battle to reclaim who you truly are-welcome to a new era of Gundalian Invaders.