Himouto! Umaru-chan (干物妹!うまるちゃん) is a Japanese manga series by Sankaku Head. It began serialization in Shueisha’s seinen manga magazine Weekly Young Jump from March 14, 2013. An anime television series adaptation by Doga Kobo began airing in Japan from July 9, 2015.
Umaru is a renowned beautiful 16-year-old girl in town, living with her elder brother Taihei. She acts a perfect sister with a kind heart, intelligence and popularity, who everybody admires. So who would believe how true Umaru is at home? Sleeping, gaming, watching TV, eating junk food, drinking cola… that’s almost all she does at home, leaving all the housework to her brother. Her camouflage is so perfect that when one of her classmates visits her home by surprise and witnesses “true Umaru,” she pretends as if she is Umaru’s younger sister. Taihei is always swayed by Umaru’s gap between ostensible face and spoiled life, but he cannot hate his comical and somehow lovable cute little sister!
Our heroine is the elegant Umaru-chan, the undisputed queen of her local high school. Her perfection is laughably exaggerated and comes off as a bit excessive. To her fellow students, she’s a flawless maiden, star athlete, and academic genius. Behind closed doors, she’s a troublemaking slob that lives for anime, manga, and games. Most of the comedy is derived from Umaru trying to juggle her personas and maintain her good reputation, much to the dismay of her brother and guardian. To most people, this may not seem like a very enticing story. The anime industry is plagued with similar shows that are rife with incest, ecchi, and toilet humor. Himouto breaks the mold by toning down the stereotypes in favor of what can be described as a step below a comedy-parody. Now, that’s not say that it’s wholly excused of being generic sibling fare, but a lot of its glaring flaws are seen sparingly.