Sgt. Frog (GN 12)
Title: Sgt. Frog
Volume: GN 12
Release date: 2006-11-28
Suggested retail price: $9.99
Age rating: 13+
Keroro convinces Natsumi to forbid weapons in the house, which backfires as usual. When things look good for Keroro, he catches a mysterious illness. He wakes up four days after New Years to find everyone missing - has the alien invasion started!
Story and art by Mine Yoshizaki.
(added on 2007-02-20, modified on 2011-11-30)
- Encyclopedia information about Sgt. Frog (manga)