Level 0 no Munou Tansakusha to Sagesumaretemo Jitsu wa Sekai Saikyou desu: Tansaku Ranking 1-i wa Nazo no Hito

When mysterious dungeons suddenly materialized across the Earth, humanity was forever altered by the introduction of a quantifiable leveling system. As society rapidly devolved into a ruthless hierarchy governed by survival of the fittest, those at the bottom faced relentless prejudice. Suzuki Hinata, branded as a Level 0, endures the harshest discrimination in the world. Despite being widely dismissed as utterly incompetent, he harbors an unwavering dream of becoming a dungeon explorer. His life takes an unexpected turn when he enrolls in a new high school and crosses paths with Kamui Hinata, a stunning silver-haired girl possessing extraordinary S-rank potential. For reasons beyond his understanding, this overwhelmingly powerful young woman forms a sudden and close bond with him, drawing the supposedly weakest boy into a party alongside two of the most formidable girls in existence. As they navigate the treacherous world of dungeon exploration together, whispers begin to circulate about a mysterious figure sitting at the very top of the explorer rankings. Could the true identity of the world's number one explorer be someone no one ever suspected?