Leda is 14 years old and David's younger sister. Referencing Michelangelo's painting, she carries around a swan toy named Zeus, that supposedly keeps her mind stable. She wants to have a good relationship with her brother but always ends up being bratty to him instead. Leda is the best player in the school's Tennis Club, earning the title of "White Swan of Louvre High". 10 years into the future, Leda is shown to have become a pro tennis player.