n a futuristic world, the government has conducted secret research called the \'Clover Project\'. Each Clover is tattooed with a power level by the Five Elders Council. Sue is a Four Leaf Clover, the only one in existence. Ran is a Three Leaf, one of two. Gingetsu is Two Leaf and Oruha is One Leaf. Each book tells a different tale of these tragic children, backtracking from when Kazuhiko takes Sue to Fairy Park to when Ran becomes Gingetsu\'s ward.