10 Anime with endings that leave fans disappointed

With only 12-13 episodes that air weekly each season, some anime are bound to leave fans disappointed due to many things, such as the endings.

Why will fans be disappointed with the ending of One Piece?

Which anime has the most unsatisfactory end? - Quora

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10 Anime with endings that leave fans disappointed

In light of the AOT anime ending and getting some small changes, do you think the same could/should be done for Gojo's death? : r/Jujutsufolk

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