1girl, blush, breasts, cleavage, closed_mouth, cloud, contrail, cumulonimbus_cloud, greyscale, hand_fan, huge_breasts, long_hair, looking_at_viewer, monochrome, necktie, original, paper_fan, pleated_skirt, ryusei_hashida, school_uniform, short_sleeves, sitting, skirt, solo, sweat, undone_necktie, very_long_hair