超劇場版 ケロロ軍曹2 深海のプリンセスであります!

"Keroro Gunso the Super Movie 2: The Deep Sea Princess" is a Japanese animated film released in 2007, and it's the second theatrical installment of the "Keroro Gunso" franchise. The story follows the Keroro Platoon from outer space, who accidentally bring Natsumi Hinata, the older sister of the Hinata family, to a deep-sea kingdom. To rescue Natsumi, the Keroro Platoon embarks on a deep-sea adventure. The film is well-loved by audiences for its unique humor and vivid characters. It not only features exciting action scenes but also explores the importance of family and friendship, making it a perfect animated movie for the whole family. It was also shown along with a short animation titled "Chibi Kero: The Secret of the Keroball!?" The film received good reviews after its release and was followed by merchandise such as DVDs, which further expanded its influence.