Returning to his island home as a champion pro wrestler, Shirokiba discovers his town has been overrun by bizarre alien invaders. To save his people, the dedicated grappler must utilize every wrestling move and dirty tactic he knows.

Shirokiba sacrificed everything in the Tokyo ring to achieve his dream of becoming a professional wrestling champion. Yet, the hardest fight of his career awaits him back on his small native island, which has suddenly become ground zero for an extraterrestrial invasion.

Faced with bizarre alien monsters, the heavyweight hero must rely on more than just standard martial arts. Using a high-octane mix of legitimate grappling techniques, bone-crunching strikes, and shameless rules-breaking, Shirokiba brings the ultimate sports-entertainment brawl to his galactic adversaries.

In the Alien Headbutt manga, champion pro wrestler Shirokiba uses his best ring moves to defend his island home from alien invaders.

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