It was a quiet, scary night. A narrow alley, piles of trash scattered around, and a trail of bloody footprints—each one carrying fragments of emotion. Fear, pain, rage... all mixed into something unrecognizable. From the darkness, a figure slowly appeared. A black cat, perched atop the garbage, stared down at the figure with sharp, glowing eyes. Slowly, it leapt down and approached. It brushed against the figure’s leg. A hand reached out, gently lifting the cat. Then came a twisted smile. Just beyond that smile... a pile of blood-soaked bodies. This is Rio. The only child of his parents—Crivs, a Russian spy, and Lina, a school teacher from Tokyo, Japan. It was rare for him to be with both of them at once. But today was different. Today, he was happy. He spent a peaceful, beautiful day with the two people he loved the most. But peace never lasts. A sudden northern wind blew in, and everything fell apart. In one moment, he lost everything. Those joyful memories turned into poisonous ones, stabbing his heart every time he remembered them. That pain… eventually turned into fire. A fire of revenge that burned everything in its path. And in that darkness, where only destruction could thrive, Rio encountered something strange. A mysterious power—one that transformed him into something more… something monstrous. Void Energy. A force born from the end of time and a world in ruins. No one knows its true origin, but it’s been creeping across the world, changing everything it touches. Through this power, Rio discovered something called The Void System—a mechanical structure of unknown design. With it, he became something terrifying. Something unstoppable. The most brutal being ever born of the void. But his goal didn’t stop at revenge. Fueled by his rage and the power of the void, Rio began to carve out his own legend. A new history. One that would be written in blood and ruin.