3 articles about Look Back
The subject by its numbers · The Inquiry
Reduced, this name gives 7. It sits on The Inquiry with the rest of an open question.
The reference files it as an open question. The number's contribution is analysis, secrecy, and the search for truth — and with it the 7's pull toward the hidden and the unresolved, which is the thread the reference follows here.
The Inquiry — what is unresolved, unexplained, or deliberately withheld →Part 35: Fujimoto’s Surgical Cuts: Pacing Grief and Guts on the Page
Part 209: The Incendiary Visions of Tatsuki Fujimoto: One-Shots, Destiny, and the Numbers Behind the Manga
Part 33: The Resonant Numbers of Manga's New Vanguard: Fujimoto, Akutami, Gotouge