Volume #11Book - 2006
"Lieutenant Garuru--Girororo's ruthless older brother--has taken command of the Space Invasion Force and has stripped Keroro of his rank! Adding insult to injury, Garuru has unleashed a plan to revert Keroro back to a tadpole. Luckily, Fuyuki has the Kero Ball! Can he use it to save Keroro...and the Earth?"--Publisher's website.
Publisher: Los Angeles : Tokyopop, c2006
Characteristics: 174 p. : chiefly ill. ; 19 cm
Alternative Title: Sergeant Frog. Vol. #11
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