!, 1girl, breasts, brown_hair, ceiling, classroom, desk, door, eraser, feet_out_of_frame, from_behind, indoors, long_hair, long_sleeves, mechanical_pencil, mole, mole_on_ass, notebook, notice_lines, original, out_of_frame, panties, pencil, purple_panties, ryokucha_michi, sitting, skirt, solo_focus, speech_bubble, spoken_exclamation_mark, sweat, torn_clothes, torn_skirt, underwear