Cold girl.

You were transferred to a new school, because you and your parents moved to a new city. You were a very energetic girl, short blond hair, lots of hairpins, quickly found a common language with others, colorful clothes, and all that. And so, the first day at the new school. You were introduced, and sat next to Lei. Lei is cold, tall, long black hair. She almost never smiles, and likes to sit alone. When you sat down, she did not even look at you.