1girl, arms_up, artist_name, breasts, brown_eyes, brown_hair, dated, green_neckwear, green_sailor_collar, green_serafuku, hair_tie, hair_tie_in_mouth, long_hair, long_sleeves, looking_at_viewer, medium_breasts, mouth_hold, neckerchief, one-hour_drawing_challenge, parted_lips, sailor_collar, school_uniform, serafuku, simple_background, solo, tying_hair, upper_body, white_background