The film is inspired by the hikeshi, firefighting groups organized in ancient Japan due to frequent fires taking place.
Johnny Yong Bosch's first Studio Trigger project since Kill La Kill (2014) released 5 years prior.
This is one of the last theatrical anime films with the 1967 MPAA logo in the credits.
The character of Galo is heavily inspired by Kamina from Gurren Lagann.
"Matoi Tech" is a reference to Ryuko Matoi- the main character in Studio Trigger's Kill la Kill.