Other names: 干物妹！うまるちゃん, 干物妹（ひもうと）！うまるちゃん, Himouto! Umaru-tyan, Himouto! Umarutyan
Author: Sankaku Head
Artis: Sankaku Head
My little sister Umaru (age 16) is a renowned beautiful girl in the town. A perfect sister with a kind heart, high scores and popularity, who everybody admires... or at least that's what people believe, but once she walks in her room, she becomes...