A medium long anime movie (50 minutes) released as one of the programs of 'Toei Manga Festival', and screened with a live-action film "Kamen Rider vs. Ambassador Hell" and others. A near-future Sci-Fi mecha action film featuring four cyborg dogs. An original story based on the concept from Hiroshi Sasagawa's manga "Maken Goro" (serialized in the magazine "Weekly Shonen King" in 1963). A boy named Tsutomu and four cyborg dogs (Queen, Ace, Jack and Joker who coalesce and transform into the spaceship "Liner") fight against aggression by insect-type aliens from the Planet Devil. Directed by Takeshi Tamiya. Music by Takeo Yamashita.

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