[Machine Translation] The invaders are frog-shaped aliens who like "Gunpla"? The 13th (final) volume of the hit manga "Sergeant Keroro", which has been serialized in "Monthly Shonen Ace", is now available on DVD! The powerful tag team of Sunrise Animation Production and Junichi Sato, General Director, has created the most powerful gag animation ever! Liner note ( 4 pages ) enclosed! Includes episodes 49 to 51.