Well, yeah, every story starts with recognizable cliches and common archetypes (stereotypes), growing out of those stereotypes is what character development is. How a character relates to the people around them and why is part of their development.
Nalani, cute name by the way, is the intellectual over thinker, common trope. Taking that initial idea, giving her a back story and showing how her characteristics can effect her personal life and relationships negatively or positively is character development.