2girls, ball, beach, beachball, bikini, black_bikini, black_hair, breasts, brown_hair, food, frilled_bikini, frills, fruit, hair_ornament, hairclip, higuchi_madoka, idolmaster, idolmaster_shiny_colors, inumantle, looking_at_another, mayuzumi_fuyuko, medium_breasts, multiple_girls, navel, open_mouth, outdoors, parted_lips, red_eyes, short_hair, sweat, swimsuit, watermelon, yellow_eyes