3girls, =_=, ?, ahoge, bottle, chibi, flying_sweatdrops, fountain_pen, glasses, greyscale, hair_ornament, hair_ribbon, ink_bottle, long_hair, monochrome, multiple_girls, no_nose, o_o, open_mouth, pen, ponytail, ribbon, school_uniform, shaded_face, sleeves_past_wrists, sweatdrop, trembling