Me and the Alien MuMu

Me and the Alien MuMu (宇宙人ムームー, Uchūjin Mūmū, lit. "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 later began serialization in the same magazine in June that same year. An anime television series adaptation produced by OLM premiered in April 2025.

Characters

Sakurako Umeyashiki (梅屋敷桜子, Umeyashiki Sakurako): Voiced by: Momo Harumi
Mūmū (ムームー): Voiced by: Etsuko Kozakura
Decimal (デシマル, Deshimaru): Voiced by: Yasuyuki Kase
Akihiro Tsurumi (鶴見アキヒロ, Tsurumi Akihiro): Voiced by: Gakuto Kajiwara
Miwa Samezu (鮫洲美輪, Samezu Miwa): Voiced by: Yuriko Hibi
Wataru Tenkubashi (天空橋わたる, Tenkubashi Wataru): Voiced by: Hidenobu Kiuchi
Tamotsu Rokugō (六郷保, Rokugō Tamotsu): Voiced by: Kentarō Kumagai
Sonoko Kagetsu (花月園子, Kagetsu Sonoko): Voiced by: Yukiyo Fujii
Siberia (シベリア, Shiberia): Voiced by: Karin Takahashi
Junichirō Anamori (穴守順一郎, Anamori Junichirō): Voiced by: Katsuyuki Konishi

Media

Manga

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. Its chapters have been collected into seven tankōbon volumes as of May 2024.

Anime

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 premiered on April 10, 2025, on Tokyo MX and other networks. The opening theme song is "Fushigi na Kimi" (ふしぎなきみ, Mysterious You), performed by Sabasister, while the ending theme song is "Sayonara Jinrui" (さよなら人類, Farewell Humanity) (a cover of the song of the same name by Tama), performed by Momo Harumi and Etsuko Kozakura as their respective characters.