Sergeant Keroro The Super Duper Movie 3: Keroro vs. Keroro Great Sky Duel

The story opens with Fuyuki Hinata and the Keroro Platoon investigating an old temple in the mountain city of Machu Picchu, Peru. During their exploration, Keroro triggers a hidden trap by accident, revealing a secret chamber. Inside, they find a large blue crystal resting on a pedestal with a key embedded in it. When Keroro leans on the key, the room comes alive-a strange machine activates, shaking the entire temple. Realizing the danger, the group rushes to escape. In the chaos, Keroro drops his Kero Ball, and Fuyuki briefly sees a glowing young woman before being forced to flee. He tries to tell Keroro about her, but there’s no time. As they make their way out, the girl-now with glowing wings-watches them go. Meanwhile, deep in the chamber, something stirs within the crystal...