Severus or Septimius? An Inventors independence

Harry Potter - J. K. Rowling
G
Severus or Septimius? An Inventors independence
Characters
Remus Lupin, Mary Macdonald (Harry Potter), Severus Snape, Lily Evans, Mulciber Jr. | Severus Snape's Schoolmate, Avery Jr. | Severus Snape's Schoolmate
Tags
Time Travel Pre-First Wizarding War with Voldemort (Harry Potter) Age Regression/De-Aging Wizarding Culture (Harry Potter) Wizarding Politics (Harry Potter) Severus Snape-centric Wizarding Traditions (Harry Potter) POV Severus Snape
Summary
Severus wakes up in the past at a point in his life where he has lost every emotional connection to other people. His last life was dedicated to Lily, servitude, and eventually bent to the greater good. This life will be about him. No masters! Not self interested friends. Not bullies. It would be about him. His desires. His magical interests. But did he need to stay, Severus Snape, to achieve his desires? No pairings.
Note
The first 5 chapters are almost exactly the same as "Severus or Septimius? The Prince Heir Rebirth and Legacy" which if you have read the other fic you do not need to read those chapters. This story and that story however are not the same. In that story Severus’ grandparents are still alive in this one they are already dead. In canon the Princes are not given a death date so in this version they are already dead and Severus finishes his Hogwarts schooling.

Chapters