1girl, black_hair, blush, eyebrows_visible_through_hair, full_body, green_eyes, grey_neckwear, hair_between_eyes, hair_ornament, long_hair, looking_at_viewer, neckerchief, open_mouth, sailor_collar, school_swimsuit, see-through_skirt, skirt, smile, solo, swimsuit, swimsuit_under_clothes, underwater, white_sailor_collar