Anime studiet Nexus (Wakaba Girl, Chivalry of a Failed Knight) laver den originale anime serie Granbelm, der begynder til sommer.
Den instrueres af Masaharu Watanabe (Re:ZERO -Starting Life in Another World-, Re:ZERO -Starting Life in Another World- Memory Snow, Wakaba Girl).
Manuskriptet skrives af Jukki Hanada (Sound! Euphonium, Love Live! School Idol Project , Love Live! Sunshine!!) og Shinichirou Otsuka (Re:ZERO -Starting Life in Another World- light novel illustrator) står for character designs.