days (2014) Anime Details and Episodes days is the ending theme of Mekakucity Actors performed by Lia. The song was composed by Shizen no Teki-P (a.k.a. Jin) and a PV for the anime was… Series info Watch free DetailsFormatMusicStatusFinishedEpisodes1Duration6 minScore62/100SourceOriginalCountryJapan TagsTravelFemale ProtagonistMythologyTime Loop