Splatoon (Nintendo Cinematic Universe)

Splatoon is a Japanese anime film.

Summary
After a few years of peace, the Octarians have returned to abduct the Zapfish and conquer Inkopolis. Now, it's up to a young Inkling to splat the Octarians out of the city.

Plot Elements

 * Prior to the story, during the Great Turf War, the Octarians invaded the city of Inkopolis, intending to steal the Great Zapfish, the city's power source.
 * Years later, the Octarians launch another invasion on Inkopolis.
 * Cap'n Cuttlefish recruits Inkling to recover the Great Zapfish and drive away the Octarians.
 * Inkling recovers the Great Zapfish and drives away the Octarians.