himouto! umaru-chan, doga kobo, doma umaru, ebina nana, motoba kirie, tachibana sylphynford, official art, cover, album cover, single cover, :3, 4girls, bed, blanket, blue eyes, blue hair, blue night gown, blue pillow, breasts, carmine hair, cleavage, dark blue hair, dark red eyes, embarrassed, finger to mouth, flower-shaped pupils, green pillow, large breasts, legs up, long hair, messy hair, multiple girls, nightgown, on back, on bed, on side, on stomach, orange night gown, orange scrunchie, pink night gown, purple eyes, quartet, red pillow, scrunchie, sidelocks, smile, striped scrunchie, very long hair, white bed sheet, white hairband, white hair ornament, white scrunchie, yellow pillow, yellow pupils