After the end of the Harry Potter series, Harry, Ron, and Hermione's lives take different paths. Harry becomes an Auror and eventually rises to become the Head of the Auror Office and Head of the Department of Magical Law Enforcement. 

He is married to Ginny Weasley, and they have three children. Ron initially becomes an Auror like Harry but later joins his brother at Weasleys' Wizard Wheezes. He plays a significant role in transforming the wizarding society and remains an important figure in Harry's life. Ron marries Hermione, and they have two children. 

Hermione reunites with her parents and completes her NEWTs at Hogwarts. She works for the Department for the Regulation and Control of Magical Creatures, advocating for better treatment of magical beings. She rises through the ranks and eventually becomes the Minister for Magic. Neville Longbottom becomes an Auror like his parents, but later pursues his passion for Herbology and becomes a Hogwarts professor. He marries Hannah Abbott and becomes the Head of Gryffindor House. 

Luna Lovegood becomes a renowned Magizoologist, making discoveries of new magical creatures. She marries Rolf Scamander and they have twin sons. While the story of Harry Potter ends with "All was well," their adult lives are filled with new challenges and a desire to build a brighter future for the wizarding world.