2girls, d, aiba_yumi, arms_behind_back, ball, bare_arms, bare_legs, bare_shoulders, barefoot, beachball, bikini, black_hair, blue_sky, blush, breasts, brown_eyes, brown_hair, casual_one-piece_swimsuit, cleavage, closed_mouth, cloud, day, floral_print, food, forehead, holding, holding_food, horizon, ice_cream, ice_cream_cone, idolmaster, idolmaster_cinderella_girls, looking_at_viewer, medium_breasts, multiple_girls, ocean, one-piece_swimsuit, one_side_up, outdoors, pink_eyes, print_bikini, print_swimsuit, regular_mow, sitting, sky, smile, soft_serve, standing, swimsuit, thick_eyebrows, wariza, water, yanase_miyuki, yellow_bikini