This story is basically the after effects of the 100 year war leading into the new war which has been going for 20 years plus more into the story and how team avatar are going to stop it (Avatar highschool)

The Avatar has gone missing for 18 years, where is she now? No one knows. Asami Sato, the new girl at school meets new friends, but one girl in particular caught Asami's eye, the girl always kept to herself. Asami wanted to investigate more into this girl. Who is she? And what is she hiding? Ps: I don't own the legend of korra character