When mafia boss Gu Jin inexplicably awakens in a magical realm, she discovers she's been thrust into a cultivation novel as a expendable supporting character destined to perish protecting the protagonist. The twist? Her supposed fatal flaw—magical incompetence—is the one thing she refuses to accept. The queen of the underworld never retreated from impossible odds. Transmigrated into Magic World as a talentless mage, Gu Jin makes a vow: she will ascend to Heaven Rank, no matter the cost. Contempt turns to shock when her peers uncover the truth. Gu Jin possesses a rare physique capable of wielding multiple elements simultaneously. While rivals struggle with basic alchemy, she masters formulas they've never conceived. Through cunning business acumen and alchemical genius, she builds a commercial empire rivaling the wealthiest families. The citizens of Fujio revere her more than the female lead ever dreamed. Everything changes when her biological family arrives to reclaim her. The female lead was never theirs—Gu Jin is their true daughter. As the Female Lead sweetly warns of her siblings' icy distance, Gu Jin braces for rejection. Instead, her Eldest Brother casually gifts her a Star Level Artifact. Her Second Brother, notoriously cold, threatens violence against anyone who insults her. Her Third Sister sneaks into her chambers each night, claiming headaches require her presence. The female lead's promises of familial indifference crumble into something Gu Jin never anticipated: a family that cherishes her unconditionally. But mystery lingers—why do they love her so fiercely when her rival warned her away?