The Gentle Sword Immortal: Bound to a Little Master from Day One

Bai Muchun awakens in a world where power flows through mystical cards—and he's stuck as the lowest Human-grade card imaginable. But when a symbiotic system binds him to an adorable young contractor, everything changes. The stronger she grows, the mightier he becomes. With no predetermined fate or background story to constrain him, this gentle swordsman carves his own legend. Years pass, and the White-robed Sword Venerable emerges to cleave galaxies with a single strike. Gods tremble. Enemies rage: "This trash-tier card has Saint-grade destructive power?!" His pint-sized master Luo Ziqin blink…