Watch Hammer Hammer Watch now on Miruro - Free Anime Streaming Sister and brother travel in search of a unpolluted land amidst the industrial waste of a poisoned world. Note: Originally published under the name Kei… Series info Watch free DetailsFormatOne shotStatusFinishedSourceOriginalCountryJapan GenresDramaSci-Fi TagsFemale ProtagonistPost-Apocalyptic RelatedOokubo Kei Tanpenshuu (Related)