Sgt Frog Graphic Novel Volume 21

"Sergeant Keroro is the Captain of the Space Invasion Force's Special Advance Team of the 58th Planet of the Gamma Storm Cloud System, sent to planet Pokopen (aka Earth) to collect intelligence for his planet's invasion force. He is also a frog. After his ship crash-lands on planet Earth, he takes shelter in the Hinata household, but the two kids, Fuyuki and Natsumi, find him and take away his alien weapons. When his people discover that the Pokopenians are aware of him, Keroro is abandoned; left to fend for himself in this hostile world. But he's not alone; four other pre-invasion agents are also still lurking on Earth. Its invasion of the weird in this wacky comedy hit! "