Original sentence: She is one of the only characters that is Dee's friend, the other being Gary, Dee's neighbor who turned out to be a serial killer
Edited sentence: Artemis takes great interest in many of the gang's doings.She hangs around whether she is actually concerned about their objectives, or just entertained by their absurd antics.She is one of the only characters that is Dee's friend, the other being Gary, Dee's neighbor who turned out to be a serial killer with a crush on Dee