doma taihei, doma umaru, himouto! umaru-chan, game asset, non-web source, official art, self-datamine, 1boy, 1girl, :t, ahoge, arms behind back, bag, black-framed eyewear, black eyes, black hair, black pants, blonde hair, blue dress, blue shirt, blush, brother and sister, brown eyes, bush, closed mouth, collared shirt, cowboy shot, dress, frilled shirt collar, frills, glasses, himouto! umaru-chan himouto ikusei keikaku, holding, holding bag, long dress, long hair, long sidelocks, looking ahead, looking at another, looking to the side, open mouth, outdoors, pants, plastic bag, pout, purple shirt, raised inner eyebrows, semi-rimless eyewear, shirt, shirt under dress, short hair, short sleeves, siblings, sidelocks, sleeveless, sleeveless dress, sleeves pushed up, sleeves rolled up, stnding, sweatdrop, under-rim eyewear, very long hair