Sword Gai ソードガイ (Sōdo Gai) Manga Written by Toshiki Inoue Illustrated by Keita Amemiya (characters) Wosamu Kine (scenario) Published by Shogakukan Demographic Seinen Magazine Hero's Original run 2012 – 2015 Volumes 6 Manga Sword Gai Evolve Written by Toshiki Inoue Illustrated by Keita Amemiya (characters) Wosamu Kine (scenario) Published by Shogakukan Demographic Seinen Magazine Hero's Original run 2016 – present Volumes 3 Original net animation Swordgai: The Animation Directed by Takahiro Ikezoe (chief director) Tomohito Naka Written by Toshiki Inoue Music by Kotaro Nakagawa Studio LandQ Studios DLE Production I.G Licensed by Netflix Released March 23, 2018 – scheduled Runtime 22 minutes Episodes 12