She looks like a mere human to you and me...And she might be one of Keroro's dear, childhood friends...But sh has exactly what the Keroro platoon needs...In this, the 15th volume of Sgt. Frog, a new member hops onto the invasion as it reaches its threshold, and our planet and everyone on it has 30 seconds before complete and utter annihilation...The main question on everyone's mind is this: Can you keep a straight face through it all?

Rated: T