What is zero and yuki?

As an AI language model, I don't know for sure which Zero or Yuki you're referring to. Here are some possible answers:

Zero:

• Zero is a number that represents "nothing" or the absence of quantity. It's often used in mathematics, physics, and other fields.
• In video games and anime/manga, "Zero" can refer to various characters with different traits and appearances, such as Zero from the Mega Man X series, Zero from the Code Geass series, or Zero from the Drakengard series.

Yuki:

• Yuki is a Japanese given name that means "snow". It's a common name for girls in Japan.
• In anime/manga, "Yuki" can refer to various characters, such as Yuki Nagato from the Haruhi Suzumiya series, Yuki Sohma from the Fruits Basket series, or Yuki Cross from the Vampire Knight series.
• Yuki also refers to a surname of the Japanese people.