Also we got fog being the cause of everything (maybe) like how Higu had a mix of disease and supernatural nonsense and Umineko was magic and/or delusions
The "f" is gonna stand for "Fragment" and the after credits scene will be someone saying some poetically cryptic stuff, then the camera pans out to the Hanyuu/Featherine/Eua Expy shutting a book and looking at the viewer with a smirk
[x] Group of Friends
[x] Betrayal
[x] Suffering
[x] Supernatural creatures