1girl, blue_skirt, blue_sky, cloud, dated, day, from_behind, grey_hair, hand_on_railing, hand_up, holding, holding_phone, kobayashi_chisato, light_blush, long_hair, mountainous_horizon, ocean, open_mouth, original, outdoors, panties, pantyshot, phone, plaid, plaid_skirt, pleated_skirt, ryoubu_torii, school_uniform, shirt, shirt_tucked_in, signature, skirt, sky, solo, standing, torii, underbutt, underwear, water, white_panties, white_shirt, wind, wind_lift, yellow_eyes