1girl, aged_down, black_hair, blue_sailor_collar, blue_skirt, dated, disembodied_limb, flat_chest, green_eyes, hairband, hand_under_clothes, hand_under_skirt, hip_vent, kantai_collection, long_hair, maru_(marg0613), necktie, no_eyewear, one-hour_drawing_challenge, ooyodo_(kancolle), pleated_skirt, red_necktie, sailor_collar, school_uniform, serafuku, skirt, solo, surprised, twitter_username, white_hairband