She is sixteen years old in the series, and is an Exorcist of the fictional organisation, the Black Order. She appears to be close friends with fellow Exorcists: Allen Walker, Lavi (Bookman Jr.) and Kanda Yu. She has an older brother named Komui Lee who also works at the Black Order.
Her personality can be depicted as kind and friendly towards her comrades and other people, although she shows a certain dislike and fear when it comes to people from Central Agency.
Her weapon of Innocence is named the "Dark Boots", and allows her to fight Akuma among other abilities as well, such as jumping to high altitutes, remaining suspended in the air/water surace, and allowing her to travel at excessive speeds.
Lenalee Lee is a kind person.
Many people seem to like Lenalee Lee.
Some people dislike Lenalee Lee.