落ちこぼれ少年はSSS級タイタンを覚醒させた

In a world where Titan bloodlines decide everything, mixed-blood Kross is branded an F-Rank failure and cast out by his own family. Fueled by pure defiance, a mysterious system awakens inside him, unlocking the legendary Titan. From outcast to the strongest hero, he rises against noble bloodlines, crushed rivals, and the very people who once trampled him.