QUICK BIO
Its physical form is that of an extremely tall and slender young blue woman, dressed like a medieval princess with a divided hennin and wearing a long billowing cape. It may look intimidating, but Big is a gentle spirit. Big shares many similar physical traits with its sister card: The Little, except the most notable differences: their color and size.

Source: Cardcaptor Sakura
Sister Card: The Little
First Seen: Episode 31