!, 4girls, 4koma, :o, ?, ^^^, afterimage, animal ears, arrow symbol, ascot, bandaged head, bandages, blank eyes, blank speech bubble, blonde hair, blue ascot, blue capelet, blue hair, bow, bowtie, braid, capelet, cherry blossoms, closed eyes, comic, dreaming, equation, futon, gradient background, green hair, hat, long braid, math, medium hair, midriff, multiple girls, nightcap, open mouth, pi math, pillow, pink shirt, pom pom clothes, red bow, red bowtie, red capelet, red hair, red headwear, red shirt, shirt, shorts, single braid, sleeping, solid oval eyes, speech bubble, spoken exclamation mark, surprised, sweatdrop, thought bubble, twintails, white headwear, white shirt, white shorts, zzz