Me and the Alien MuMu

MuMu, Sakurako and the Day the Earth Stood Still (1x24)

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The Earth is on the brink of destruction due to the aftermath of a conflict between extraterrestrial life forms. In this desperate situation, Tenkubashi says, "There is a way to save the Earth!" That way is to stop the Earth. In order to overcome this unprecedented crisis, will the feelings of Earthlings be united through "cats" and smartphones?