Armpit is a 17-year-old boy trying to turn his life around from time spent in a prison camp. He is shy but caring, and has befriended 10-year-old Ginny, who has cerebral palsy, and 17-year-old singer Kaira. Armpit also keeps in touch with his friend X-Ray from the camp and deals with Kaira's manager and stepfather El Genius, who only cares about money. The document provides background on these five characters, including their ages and brief descriptions, as well as short quotes attributed to each.