1girl, back, bare_shoulders, barefoot, black_hair, black_serafuku, black_skirt, black_socks, blue_eyes, blush, braid, closed_mouth, hair_in_own_mouth, holding, holding_pencil, invisible_chair, kneehighs, kotomori_shizu_(makicha), long_hair, long_skirt, looking_at_viewer, looking_back, loose_hair_strand, makicha_(sasurainopink), mechanical_pencil, multiple_views, open_mouth, original, panties, pencil, pink_panties, school_uniform, serafuku, simple_background, sitting, skirt, socks, underwear