Revealing she has no memory of Maron, Maru takes Keroro and Fuyuki to a corrupted Meru using Natsumi as a power source so that he can create a new Maron from Earth.
Exposing her inability to recall Maron, Maru transports Keroro and Fuyuki to a corrupted Meru powered by Natsumi's energy, with the intention of creating a fresh Maron from Earth.