Rooster Fighter follows "cock-about town" Keiji. More than just an ordinary rooster—he's humanity's greatest defender! When strange creatures suddenly appear and start attacking, he confronts them head-on while scoffing: "You make my crown curl!" His opponents may be ten stories tall, but nothing is bigger than his stout heart and his fearsome battle cry—Kokekokko!
Keiji and his friends struggle to gain the upper hand in the battle against the powerful Devil, Yuji. Keiji sets a strategy in motion that involves him sacrificing himself. Meanwhile, Hikari begins to make his move.
Keiji, the wandering rooster, lands in a new city, but a Demon suddenly appears!
Keiji's injured soon after he saves Piyoko's "Pops" from permanently transforming into a Demon.
Elizabeth challenges Keiji to a fight and divulges info about the White Demon, his sworn enemy.
The trio find themselves at a village where the adults have been brainwashed by a Demon.
The trio have a falling out and go their separate ways, while a typhoon ominously approaches.
When Morio's efforts fail, the flood approaches! Will Keiji and his flock be able to save the city?
Keiji puts his chicken pride on the line and accepts an invitation to a group date!
Keiji finds out a brainwashed Morio is on a rampage and heads out to save him.
Demons and Devils lie in wait to attack Keiji and his flock.
Keiji and his friends struggle to gain the upper hand in the battle against the powerful Devil, Yuji. Keiji sets a strategy in motion that involves him sacrificing himself. Meanwhile, Hikari begins to make his move.