For the main character of the series see KeroroSgt. Frog (ケロロ軍曹 Keroro Gunsō lit. Sergeant Keroro) is a manga series by Mine Yoshizaki. It was later serialized into an anime TV series directed by Junichi Sato. Both the anime and manga are comedies that follow the attempts of a platoon of frog-like alien invaders to conquer Earth.
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