Charnella was aloof before, she want to achieve her greatness, she feel wasn't enough and wanting more, she never appreciate what she have.Because the culture in Planet 8, Ordin took this opportunity for his own selfish desire to feel something, he used her as his own test subject

After his death, she completely changed to happy-go-luck person because he want her to smile, but at the same time, she want more love, more skill, more of everything, that's where she began her journey and met Raisha

Raisha is like her answer to her own question, and through their journey together, she finally accepted that she's a hypocrite to think that what she been dealt with is rightful, and she accepted that he's indeed a satan himsef.She starting to learn to appreciated herself, and her smile is her bitter lesson, turned into growth