1girl, d, black_one-piece_swimsuit, blush, breasts, covered_navel, cowboy_shot, curled_horns, english_text, gloves, horns, kopaka_(karda_nui), long_sleeves, looking_at_viewer, medium_breasts, milestone_celebration, old_school_swimsuit, one-piece_swimsuit, open_mouth, original, red_hair, school_swimsuit, short_hair, smile, solo, swimsuit, thank_you, thighs, yellow_eyes