During a vacation Natsumi is visited by a female alien and male alien who she later gains feelings for from the ocean that makes her the Deep Sea Princess who, along with the rest of the Keroro Platoon, encounter many dangers summoned by a mysterious creature.
- Season's Greetings: Makoto Shinkai is making a new movie por Japanator
- Makoto Shinkai Reveals 2013 Anime Movie por Crunchyroll
- Shinkai Makoto's New Movie 'Kotonoha no Niwa' Announced por MyAnimeList.net
- NIS America Announces "The Princess and the Pilot" Anime Movie por Crunchyroll
- Makoto Shinkai Announces New Film por AnimeNation