2boys, 3koma, 6+girls, :o, alternate costume, blank eyes, choker, clenched hands, comic, costume, demon girl, demon horns, determined, drooling, gloom expression, greyscale, hair between eyes, hair over one eye, hairband, halo, hat, holding, holding tablet pc, horns, hot dog, jacket, jacket on shoulders, jaw drop, long hair, long sleeves, looking at another, monochrome, multiple boys, multiple girls, parted bangs, peaked cap, school uniform, serafuku, short hair, sidelocks, silent comic, simple background, surprised, tablet pc, twintails