Sgt. Frog Special Training☆Sengoku Run Star Big Battle!

"Musha Kero" Comic is on the move!
Keroro, who forgot to submit the Earth Invasion Report, has to take part in the special training program "Sengoku Ransei" as punishment! ? Will Keroro and his friends, who have been sent to Planet Ran along with the Hyuga family, be able to return to Earth safely?!