Death note is LITERALLY ABOUT DEATH

Technicallly, everyone dies in JoJo's Bizarre Adventure.

don't forget about jojo's bizarre adventures

hm.

for demon slayer, everyone dies after time skip. except yushiro. but yeah.

Danganronpa, angels of death

dont forget Danganronpa

the is really true,should have thought better.

everyone dies

Watching an anime
Where everyone dies either way

I die

Wolf's Rain & Neon Genesis Evangelion. Honorable mention for Princess Tutu where everyone is turned into crows.

ok.

Oh yeah, I just remembered what Sailor Moon was like. https://listofdeaths.fandom.com/wiki/Sailor_Moon