2girls, d, bikini, black_bikini, black_eyes, black_hair, blue_sky, blush, breasts, brown_eyes, brown_hair, cloud, collarbone, cowboy_shot, day, dutch_angle, face_to_breasts, hair_between_eyes, hamu_(plot_sy), height_difference, hug, linea_alba, long_hair, looking_at_viewer, medium_breasts, mole, mole_under_mouth, multiple_girls, navel, ocean, open_mouth, outdoors, shimizu_ai_(yankee_shimizu-san), shimizu_kei, siblings, side-tie_bikini_bottom, sideboob, sisters, sky, smile, stomach, swimsuit, teeth, tonari_no_seki_no_yankee_shimizu-san_ga_kami_wo_kuroku_somete_kita, underboob, upper_teeth_only, very_long_hair, wading, waist_hug, wet, yellow_bikini