Akatsuki no Requiem Anime Details and Episodes Akatsuki no Requiem is the 4th ending theme of the Attack on Titan anime. Series info Watch free DetailsFormatMusicStatusFinishedEpisodes1Duration4 minScore61/100SourceOriginalCountryJapan GenresDrama TagsAnti-HeroMale ProtagonistAmnesia RelatedAttack on Titan Season 3 (Parent Story)