Raised in the slums, Sirius endured a harsh life alongside his devoted mother. But everything changed the day he was forced to become an 'Abyss Diver,' thrown into a nightmarish world teeming with monstrous abominations. Stranded and hunted, he must defy the fate imposed on him and claw his way to the top. "Fine. I'll show them that even a dog's bite can scar a proud tiger." A gripping tale of survival, betrayal, heart-pounding action, and the unyielding power of love.