Attack on Titan: No Regrets - Prologue Anime Details and Episodes Prologue chapter that was included only in separate booklet sold together with limited special edition of volume 1. Series info Watch free DetailsFormatOne shotStatusFinishedScore72/100CountryJapan GenresActionFantasy TagsMale ProtagonistCrimeMedievalShoujo RelatedAttack on Titan: No Regrets (Sequel) CharactersLeviErwin Smith (Supporting)Furlan ChurchIsabel Magnolia