The Organization Was Kidnapped

At some point, several identical wanted notices suddenly appeared in the underworld. The parties offering the rewards were the Port Mafia, the Non-Temporal Court, the Black Organization, the Italian Mafia... There was only one requirement: [Find someone codenamed "M" and earn a favor from one of the organizations above.] The underworld's residents swarmed after the prize, but even after a long time, the notices remained posted. -- During a mission, the white-haired teacher found a boy at the scene of a disaster. Since the boy's parents had both died in the incident, he had no other family, and he had awakened cursed energy, the white-haired teacher thought for a second and decided to bring him back to Jujutsu High. When the first-year students at Jujutsu High heard they'd have a new classmate, they gathered in their classroom as instructed and saw the new student standing beside their six-foot-two white-haired teacher, looking especially pitiful by comparison... Soft, slightly curled hair, sickly pale skin that rarely saw the sun, and a timid, uneasy expression. Seeing them, the boy nervously twisted the hem of his shirt and introduced himself in a voice barely above a whisper: "I... I'm Ninomiya Mio... P-please... be kind to me..." Not long afterward, another wanted notice for "M" appeared in the underworld, this time posted by Tokyo Jujutsu High. -- At the top of Tokyo Tower in the dead of night, the boy stood facing the wind. Behind him, the organization incarnations who had awakened self-awareness sat or stood, their expressions varied, but their gazes all followed the boy in exactly the same way. Noticing an aerial camera in the distance, the boy shed his usual timidity. As if speaking to someone, he faced the lens and declared with brash arrogance: "Are you ready for the next round of the game?" At the same time, the leaders and officers scattered across the world, each robbed of the most important thing their organization possessed, all heard the same voice in their minds: [GAME START] Theme: Upcoming work