Himouto! Umaru-chan

• Ja Kanji — 干物妹!うまるちゃん • Ja Romaji — Himōto! Umaru-chan • Genre — Comedy, slice of life

• Type — manga • Author — Sankakuhead (manga artist) • Publisher — Shueisha • Imprint — Young Jump Comics • Magazine — Weekly Young Jump • First — March 14, 2013 • Last — November 9, 2017 • Volumes — 12

• Title — Himouto! Umaru-chan S • Type — manga • Author — Sankakuhead • Publisher — Shueisha • Magazine — * Niconico Seiga • Tonari no Young Jump • First — March 20, 2014 • Last — July 27, 2015 • Volumes — 1

• Type — tv series • Director — Masahiko Ohta • Writer — Takashi Aoshima • Music — Yasuhiro Misawa • Studio — Doga Kobo • Network — ABC, Tokyo MX, BS11, AT-X • First — July 9, 2015 • Last — September 24, 2015 • Episodes — 12 • Episode List — List of Himouto! Umaru-chan episodes

• Title — Himōto! Umaru-chan: Himōto! Ikusei Keikaku • Developer — Connect Wizard • Publisher — FuRyu • Genre — Life simulation game • Platforms — PlayStation Vita • Released — December 3, 2015

• Title — Akita Imokko! Ebina-chan • Type — manga • Author — Sankakuhead • Publisher — Shueisha • Magazine — * Tonari no Young Jump • Niconico Seiga • Imprint — Young Jump Comics • First — December 7, 2015 • Last — September 19, 2017 • Volumes — 2

• Type — OVA • Director — Masahiko Ohta • Writer — Takashi Aoshima • Music — Yasuhiro Misawa • Studio — Doga Kobo • First — October 19, 2015 • Last — April 24, 2017 • Episodes — 2

• Type — tv series • Title — Himouto! Umaru-chan R • Director — Masahiko Ohta • Writer — Takashi Aoshima • Music — Yasuhiro Misawa • Studio — Doga Kobo • Network — ABC, Tokyo MX, BS11, AT-X • First — October 8, 2017 • Last — December 24, 2017 • Episodes — 12 • Episode List — List of Himouto! Umaru-chan episodes#Himouto! Umaru-chan R (2017)

• Type — manga • Title — Himouto! Umaru-chan G • Author — Sankakuhead • Publisher — Shueisha • Magazine — Weekly Young Jump • First — November 30, 2017 • Last — April 19, 2018 • Volumes — 1

• Portal — yes Himouto! Umaru-chan is a Japanese manga series written and illustrated by Sankakuhead (manga artist). After two one-shot chapters published in Shueisha's seinen manga magazine Miracle Jump (magazine) in 2012, the manga was serialized in Weekly Young Jump from March 2013 to November 2017, with its chapters collected in 12 tankōbon volumes. A sequel manga titled, Himouto! Umaru-chan G, was published in the same magazine from November 2017 to April 2018, with its chapters collected in a single volume. An anime television series adaptation aired from July to September 2015. A second season titled Himouto! Umaru-chan R aired from October to December 2017.

Umaru Doma is a high school girl living with her older brother Taihei. At school, Umaru appears to be the ideal student with good looks, top grades and many talents. However, she transforms into a kid-sized layabout, and spends time at home having a food and video game addiction, much to Taihei's dismay. Throughout the series, Umaru uses her alternative personality to make friends with others.

• Umaru Doma: • A 16-years-old high school girl with beautiful looks, top grades and excellence in everything. She has a secret lifestyle at home, wearing a hamster hoodie and being a fan of otaku. While indoors, she is drawn in a chibi manner, later calling herself Komaru (Umaru's sister) when Kirie catches her in the persona. She lives with her brother Taihei. She wears a cap while at the amusement arcade, where she is a well-known gamer who goes by the initials UMR. She wears a mask to hide her identity from Sylphynford. • Taihei Doma: • Umaru's older brother working at the company. He lives in a 1DK apartment. The siblings move in a year before the series. He is described as having a kind and methodical personality. He reprimands Umaru for being lazy. • Nana Ebina: • Umaru's buxom classmate living in the ground-floor apartment near the siblings. She is often referred to by her surname. She is very shy, and is originally from Akita Prefecture, occasionally reverting to dialect when she eating. Because of her breasts, she has a lack of confidence as people look at her. The first person to look her in the eyes is Taihei, whom she later has a crush on and gets flustered whenever he gives her compliments. She has an older brother named Koichiro who ran away to Tokyo and worked at a restaurant that later moved to Hamamatsu. Taihei suspects he might have met him on his business trip. She appears in the spin-off manga lit. Akita Native Little Sister Ebina, after having placed first in a Niconico Seiga poll among other characters. • Kirie Motoba: • A classmate and a petite girl with frightening eyes to scare others. She is shy and has a great admiration for Umaru. She becomes friends with Komaru, thinking she is Umaru's sister. She is a servant calling her Master. At first, she considers Nana a rival for Umaru's affection, but later gets along with her. She considers Nana a rival for Umaru's affection at first, but later gets along with her. She is a member of the swim club, and is good at other sports like tennis. She aspires to be a picture book author. • Tachibana Shirufinfōdo: • One of Umaru's classmates. She is very openly competitive, and considers Umaru a rival in academics and sports. She becomes friends with one of Umaru's personas, UMR, with hopes of beating her at school, and later gets along with her friends. She is half-Japanese and German. • Takeshi Motoba: • Kirie's brother with an afro. His nickname is Bomber. He likes to slack off at work. He and Taihei became friends since high school, but he was not as studious. He gets jealous when sees Taihei hanging out with the girls, but when he meets Komaru, he feels she is cute too. He tries to interact with Kirie, but she gets annoyed from him. When he meets Umaru in her outdoor persona and Nana, he becomes very nervous and shy. He thinks Komaru and Umaru are two different people, and cannot recognize his sister during the trip. • Tachibana Arekkusu: • Sylphynford's brother. He works in Taihei's department. He is part German and has relatives from Europe. He enjoys playing video games. He knows of Umaru's dual personality. He later reveals that when he was in middle school, he was a shut-in. He later moves to Japan to attend high school and work with Kanau. • Manager Kanau: • Kanau Kongou is the boss of Taihei, Bomber, and Alex, described in Young Jump magazine as beautiful and excellent. She met Taihei and Bomber at high school ten years ago. She is very fond of Taihei, but gets annoyed by Bomber. Kanau is a single person and living on her own. Umaru becomes upset of her at first. Taihei reveals that she is the daughter of the president, a year younger than Taihei, and that they attended different classes. She has a younger sister Hikari. • Hikari Kongō: • A top student from the Gifted Youth Program with a hairpin and Kanau's sister. It is hinted that she interacted with Taihei, before knowing the set of constellations that he tried to show Umaru. She refers to Taihei as a big brother. • Kōichirō Ebina: • Nana's older brother and restaurant chef. He left home since ten years before the series, when Nana was seven. His hat covers half of his face. He wears the same hair accessory as his sister while cooking.

On December 20, 2025, Sankakuhead released a video in which he stated that the manga was inspired by his younger sister, as well as other aspects of his life, such as his hamsters. His sister served as the model for Umaru, who fell ill between the publication of the sixth and seventh volumes (both released in 2015). She died sometime between the publication of the tenth and eleventh volumes (both released in 2017). The author noted that working on the manga and attending the wrap-up celebrations for the first season of the anime, which occurred days after her death, was particularly difficult. However, he later continued work on the eleventh and twelfth volumes in her memory.

Written and illustrated by Sankakuhead (manga artist), two-one-shot chapters of Himouto! Umaru-chan were first published in Shueisha's seinen manga magazine Miracle Jump (magazine) on August 16 and October 16, 2012. It was later serialized in Weekly Young Jump from March 14, 2013, to November 9, 2017. Shueisha collected its chapters in twelve tankōbon volumes, released from September 19, 2013, to December 19, 2017. Following the series' ending, it was announced that series would continue with a sequel, titled Himōto! Umaru-chan G, which ran in Weekly Young Jump from November 30, 2017, to April 19, 2018. A single tankōbon volume was released on July 19, 2018. In North America, the series was licensed by Seven Seas Entertainment. A spin-off manga series, Himouto! Umaru-chan S, was published on Niconico Seiga and Tonari no Young Jump, from March 20, 2014, to July 27, 2015. Shueisha released a single tankōbon volume on August 19, 2015. Another spin-off manga series, Akita Native Little Sister Ebina, focuses on Nana Ebina, after the character ranked first on a Niconico Seigas popularity poll, was published on Tonari no Young Jump, "Yanjan!", Niconico Seiga, and other platforms from December 7, 2015, to September 19, 2017. Two tankōbon volumes were released on November 18, 2016, and December 19, 2017.

An anime television series adaptation is produced by Doga Kobo. It was directed by Masahiko Ohta, written by Takashi Aoshima, with the character designed by Aya Takano, and Yasunori Ebina served as the sound director. It aired on Asahi Broadcasting Corporation from July 9 to September 24, 2015. The opening theme is lit. Core Basis: Metamorphosis! performed by Aimi Tanaka, and the ending theme is "Hidamari Days" performed by Tanaka, Akari Kageyama, Haruka Shiraishi, and Yurina Furukawa. An original video animation was bundled with the manga's seventh volume on October 19, 2015, with another to be bundled with the tenth volume of the manga in Q2 2017. In the Weekly Young Jump magazine's 20th issue of 2017, a second season of the anime series, Himouto! Umaru-chan R, was announced for fall 2017 with the same cast. The opening theme is "Nimensei Ura Omote Life!" (にめんせい☆ウラオモテライフ！) performed by Tanaka, and the ending theme is "Umarun Taisou" (うまるん体操), performed by Tanaka, Kageyama, Shiraishi, and Furukawa. The series was simulcast worldwide by Crunchyroll. It was licensed by Sentai Filmworks in North America. The second season was simulcast on Anime Strike and Hidive. It later streamed on AnimeLab in Australia and New Zealand. On September 27, 2017, Sentai Filmworks has announced that they have licensed Himouto! Umaru-chan R. After Sony acquired Crunchyroll, the series was removed from the streaming service on March 31, 2022. In the United Kingdom, MVM Entertainment licensed Himouto! Umaru-chan R. In the Philippines, the series aired in Tagalog on the Hero and Yey! pay television channels.

A PlayStation Vita sister-raising simulation game developed by FuRyu, titled Himōto! Umaru-chan: Himōto! Ikusei Keikaku, was released on December 3, 2015.