Marinette Cheng, a shy high-school student, has inherited some magical ladybug-shaped earrings. The ornaments grant the power of Luck to whoever wears them. Yet there is one condition : they have to be worn in an altruistic manner, or else, beware of the consequences !
l Whenever the situation needs it, Marinette turns into LADYBUG, the guardian angel.
Ladybug saves the World every night thanks to the power of Luck alongside her clingy ally, the Black Cat who has the opposite power. He needs a kiss from Ladybug to free him from his unlucky ring. Ladybug is the first character originated from the Quantic universe.