Jealous of Who(m)?

Origin Story by Bill Alive contains stories about Mark Falcon, Akina, and the Condo Killer, all characters which either appear or are mentioned in another Bill Alive book, Murder Feels Awful, reviewed here https://ron877.com/2018/10/27/murderously-funny/ The author recommends that this prequel novella be read after Murder Feels Awful. For me, this means I don’t really appreciate the meaning of the word prequel. Or it means that author Bill Alive writes in any fashion he desires; this is also a possibility. This novella is done in the form of Pete, good friend and sometime protector of Mark, doing an interview with Mark about events that happened prior to events in Murder Feels Awful.