2girls, <, d, ahoge, ass, breasts, closed_mouth, cowboy_shot, expressionless, greyscale, hair_between_eyes, hair_ribbon, hatching_(texture), high_ponytail, long_hair, looking_at_viewer, looking_to_the_side, medium_breasts, monochrome, multiple_girls, one_eye_closed, ooyama_kina, open_mouth, outdoors, phantasy_star, phantasy_star_online_2, ribbon, rock, school_swimsuit, short_hair, small_breasts, smile, splashing, sun, swimsuit, water