All 100 Ruu-kuns, gather!.Miyu and Kanata went out to find the missing Ruu, while Momoka and Wanya stay home trying to keep the other 99 Ruus from escaping. Seiya and Rui return to Earth. Kanata and Miyu find out that they can contact the Space Police Force and stop the aliens from getting away. Kanata and Miyu decide to let out all the Ruus because they will lead them to the kidnapped Ruu. They explain to the aliens that he has 100 multiplication sickness. they conclude that they will catch it and run away. They finally have all 100 Ruus and Ruu goes back to normal.