Me and the Alien Mumu

Me and the Alien Mumu is a Manga originally published in Shonen Sunday. An ordinary college student's life is turned upside down when an alien, Mumu, arrives on Earth. Mumu, a member of an advanced alien race, has come to reclaim the technology that his people lost. As he navigates human society, his presence has a profound impact on the lives of those around him. The arrival of this extraterrestrial being sets off a chain reaction, causing chaos and disruption in the everyday world of the college student, who finds himself at the center of this extraordinary event.