Amber is a very shy, quiet and studious person who likes to make good grades. She is not pleased with her flat breasts. And she doesn't like the fact that many people want to be friends with her just so they can get answers from her during tests. But she eventually finds an interest in helping Maiko after her and Chris asks for help with building sentinel components. Plus she has a secret crush on Chris she'd never admit because he is an underclassman.
Even though she is a little envious of Maiko, she gets severely injured while helping Chris who was trying to get Maiko's body to safety after she overflowed from Kahlei.