She is known for her bright, enthusiastic, friendly, confident, positive attitude and overflowing energy that encourages those around her.  She also has a strong sense of responsibility for those who need help and she will never abandon them no matter the circumstances, even if she has to do something immoral to do so.  but, it does not mean that she is not vulnerable to sadness, as she is quite prone to becoming depressed when she is unable to help others.