the first film of Grim Guardians: Demon Purge
Grim Guardians: Demon Purge's opening movie, which was released by Inti Creates, featured the theme song "Never x Never x Never," which was written by Ippo Yamada and performed by the Kaimozono Sisters (Emi Uema and Chinami Hashimoto).
On February 23, Grim Guardians: Demon Purge will be available for $24.99 via Steam for the PlayStation 5, Xbox Series, PlayStation 4, Xbox One, Switch, and PC. The game is discussed in greater detail here and here.
Watch the introductory video below.