The paper investigates how disparate online fan communities—specifically the “RickysRoom” Discord server (active since 2022), the “Mayhashira” manga‑inspired forum (2021‑present), and the “Violet Myers” YouTube‑centric fandom (2023‑present)—collaboratively construct a shared narrative universe. Using a mixed‑methods approach (network analysis of cross‑post links, thematic coding of fan‑fiction excerpts, and sentiment mining of comment threads), the authors demonstrate that: