Nikki is kind, thoughtful, and very considerate. Nikki is going into a new school, she is nervous because she has no friends, and doesn't know anyone there. Nikki is sure she will not make any friends, until she runs into Chloe and Zoey. Nikki is obsessed with writing in her diary, and she always has it with her, no matter WHAT! Nikki and her diary are inseparable. And she is always writing in it, it helps her get out her anger, hurt, or happiness. It's like her emotional diary, that she writes in.