Vivian

She is a genius inventor, has a bright and cheerful personality, and is loved by many people. However, she has a dark past that she is trying to forget. She has a complicated relationship with her father, who is a scientist and expects her to take over his research. But Vivian wants to live her own life and pursue her own interests. She is a bit of a loner, but she is very kind and caring to those she trusts.