Me and the Alien MuMu

• Ja Kanji — 宇宙人ムームー • Ja Romaji — Uchūjin Mūmū • Genre — * Science fiction • Surreal comedy

• Type — manga • Author — Hiroki Miyashita • Publisher — Shōnen Gahōsha • Imprint — Young King Comics • Magazine — Young King OURs • First — June 28, 2019 • Last — May 30, 2026 • Volumes — 10

• Type — tv series • Director — Tomoya Takahashi • Writer — Keiichirō Ōchi • Music — Kuricorder Quartet • Studio — OLM Division 2 • Network — Tokyo MX, BS11, MBS, GTV, MRO, AT-X • First — April 10, 2025 • Last — September 18, 2025 • Episodes — 24

• Portal — yes Me and the Alien MuMu is a Japanese manga series written and illustrated by Hiroki Miyashita. It was originally published as a one-shot published in Shōnen Gahōsha's Young King OURs magazine in April 2019. It was later serialized in the same magazine from June that same year up until May 2026. An anime television series adaptation produced by OLM aired from April to September 2025.

Sakurako is a university student living in the Tokyo metropolitan area. One day, Mūmū, a cat-like alien, appears before her. Mūmū comes from an alien race that was previously technologically advanced, but lost this knowledge. Finding interest in household appliances, Mūmū, along with other aliens, asks Sakurako and others for help in studying Earthly appliances to regain that knowledge.

• Sakurako Umeyashiki • Momo Harumi • A university student living in Machida, Tokyo. She has a shy personality. • Mūmū • Etsuko Kozakura • A cat-like alien who came to Earth after his civilization lost its knowledge regarding technology. He gains an interest in Earth's appliances and technology and wants to study them. He has a red tie. • Deshimaru • Yasuyuki Kase • Another cat-like alien from the same race as Mūmū, who comes to Earth. Unlike Mūmū, who is fascinated about Earth and its appliances, Decimal is interested in Earth's infrastructure, but sees humans as inferior to their own race. • Akihiro Tsurumi • Gakuto Kajiwara • A handsome man who goes to the same university as Sakurako. As he is an animal lover, he develops an interest in Mūmū and the other cat-like aliens. • Miwa Samezu • Yuriko Hibi • A woman who goes to the same university as Sakurako. She is particular about her appearance. She has feelings for Akihiro. • Wataru Tenkubashi • Hidenobu Kiuchi • Tamotsu Rokugō • Kentarō Kumagai • Sonoko Kagetsu • Yukiyo Fujii • Shiberia • Karin Takahashi • A white cat-like alien who belongs to the same race as Mūmū and Decimal. • Junichirō Anamori • Katsuyuki Konishi

Written and illustrated by Hiroki Miyashita, Me and the Alien MuMu was originally published as a one-shot in Shōnen Gahōsha's Young King OURs magazine on April 30, 2019. It began serialization in the same magazine two months later on June 28. The series ended serialization on May 30, 2026. Its chapters were collected into ten tankōbon volumes released from April 30, 2020, to July 30, 2026. In September 2025, Kodama Tales announced that they had licensed the series for English publication beginning in February 2026.

An anime television series adaptation was announced by Pony Canyon on November 28, 2024. It is produced by OLM and directed by Tomoya Takahashi, with Keiichirō Ōchi handling series composition, Kenji Ōta designing the characters, and Kuricorder Quartet composing the music. The series aired from April 10 to September 18, 2025, on Tokyo MX and other networks. The first opening theme song is "Fushigi na Kimi", performed by Sabasister, while the first ending theme song is 4=Farewell Humanity (a cover of the song of the same name by Tama), performed by Momo Harumi and Etsuko Kozakura as their respective characters. The second opening theme song is "Move Move", performed by Ako, while the second ending theme song is "Subarashii Hibi", performed by Harumi and Kozakura. Tropics Entertainment licensed the series in Southeast Asia for streaming on Tropics Anime Asia's YouTube channel.