The house became both a sanctuary and a prison. The vaccine coursed through his veins, a silent, biological miracle, but the guilt was a stronger poison. Andella, Loria, and his father would gently suggest, “Maybe you could visit Sadie today?” The hope in their eyes was a knife twist. He’d shake his head, mumble an excuse, and retreat. Even the cautiously optimistic news from her doctors—"There’s potential for improvement with intensive therapy"—couldn’t move him. How could he face her, when his inaction was the reason she needed to learn to walk at all?

  His only tether to normalcy was Jennifer and Caleb. They’d come over, boot up First Thunder Gate, and for a few hours, the world would shrink to the screen, to fake victories and shared groans at game-over screens. In those moments, watching Jennifer laugh at Caleb’s terrible strategy or feeling a flicker of his own competitive spirit, he’d wonder, bewildered: I have this. I have people who fight to be here. Why did I choose the dark?

  The second time he willingly left the house was for Oliver’s funeral. He stood far back, under a weeping gray sky, separate from the cluster of black-clad mourners with their umbrellas. He let the cold rain soak him, a feeble, pathetic penance. He watched Oliver’s father place a hand on the casket, and the distance between them felt like the true measure of his sin. He offered no condolences. He was just a ghost at the edge of the ceremony, there to remember the cost.

  After that, he retreated again. Three months passed in a blur of quiet rooms and forced game sessions.

  Then, one afternoon, a thought, clear as a bell, cut through the fog: Change. Oliver said it’s something you consciously fight for.

  The thought was terrifying. It demanded action. It meant facing the epicenter of his failure.

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  He told no one he was going. He just went. The hospital doors sighed open, and he walked the now-too-familiar halls, his heart a frantic drum against his ribs. I’m fighting for change now, he told himself, the mantra brittle. But what if I fail? What if I make it worse? How long do I have to fight? How long is this going to hurt?

  He reached the rehabilitation wing. Through the large observation window of a therapy room, he saw her.

  Sadie was in the center of the room, clad in sweats, her face pale and set with concentration. A physiotherapist stood beside her, hands hovering, as Sadie gripped two parallel walking bars. Her legs, thin in the loose clothing, trembled violently. She took a shaking, agonizing breath, her entire body straining with the effort to command limbs that no longer obeyed.

  Martin watched, his own breath held. How long?

  Then, Sadie’s gaze, drawn by some instinct, flickered to the window. Her eyes met his.

  Her expression, which had been a mask of painful effort, transformed. It didn’t just brighten; it ignited. A smile broke through, pure and shockingly beautiful. Seeing him there, choosing to be there, unlocked something in her.

  She turned her focus back to the bars. Gritting her teeth, she poured every ounce of her will into one movement. She shifted her weight. She lifted her right foot. She placed it forward, an inch, then another.

  One step.

  Her strength gave out. Her legs buckled, and the therapist caught her as she fell. But as she went down, she didn’t look at the therapist. She looked back at the window, at Martin, and her smile never wavered. It was a smile of triumph. Look. Look what I can do.

  For her, it was a victory over her body. For Martin, it was a cataclysm.

  The dam inside him, built over months of guilt, fear, and self-loathing, shattered. The tears came not in a trickle, but in a flood. They were tears of shame so profound it was agony, but also of a staggering, impossible awe at her courage. She had every reason to give up. She had every reason to hate him. Instead, she had taken a step.

  The thought that roared through the wreckage of his heart was simple, fierce, and absolute: I would fight forever if I have to.

  The life he had—this second chance he’d never asked for but had been given, mirrored in his sister’s impossible step—was a fragile, blazing ember. He would not let it fade. Not again.

  The strength left his own legs. He collapsed against the wall outside the room, sliding down to the cold floor. The silent tears became heaving sobs, then a raw, torn sound ripped from the depths of his lungs—a scream that held all the pain, the guilt, the sorrow, and the first, desperate, clawing spark of a will to fight.

  It was not a sound of ending. It was the brutal, painful, necessary sound of a beginning.