3girls, 4koma, >_<, @_@, ahoge, blush, brown_hair, chiyoda_momo, comic, curled_horns, demon_girl, demon_horns, hair_ornament, hands_on_own_face, heart, heart-shaped_pupils, himejoshi, holding, holding_notebook, horns, long_hair, machikado_mazoku, mokonekosan, multiple_girls, notebook, open_mouth, pink_hair, puckered_lips, purple_eyes, short_hair, siblings, sisters, symbol-shaped_pupils, tail, walk-in, yoshida_ryouko, yoshida_yuuko_(machikado_mazoku), yuri