Everyone thought that child star Lily Summer had lost her charm and was far less appealing than her adopted sister, Jessica. Even Lily's parents believed this. "Since our biological daughter can't make it as a star, let's let the adopted daughter shine instead." However, as Lily underwent a second growth spurt, she transformed into a stunning beauty with long legs, shiny black hair, and flawless skin, becoming the envy of all girls, including her sister. Just when she thought her life was changing, she unexpectedly activated a "Beauty and Brilliance System." Completing academic challenges would grant her beauty enhancements, allowing her to transform without surgery. With her newfound confidence, Lily decides to embrace her studies, not just for beauty but for the joy of learning.

Once the renowned King of Mercenaries, she is reborn into the body of a mistaken heiress, scorned and forced to marry a man with a disability. "Buddy, interested in eloping?" On her way to escape the wedding, she randomly gets into a strange man's car. The man, with a deep and cool gaze, starts to entangle with her. From a poor heiress to a domineering figure, she sweeps through the high society, yet there's always a madman trying to seduce her. When her identity is revealed, she grits her teeth: "Wasn't he supposed to be immobile, a cripple?" He pins her hands behind her back, grinning wickedly: "But I can't help but be handsy around someone who makes my heart itch." He is a mysterious and powerful tycoon, ruthless and fierce, yet uniquely smitten with her, his desires ignited. If anyone dares to annoy her, he's there to collect their due; if anyone is tired of living, he becomes their own personal Grim Reaper...