1girl, bare_shoulders, beach, bikini, bikini_under_clothes, blonde_hair, blue_eyes, breasts, cleavage, denim, denim_shorts, flower, flower_necklace, front-tie_bikini_top, front-tie_top, h8hh01, hair_flower, hair_ornament, hand_on_forehead, idolmaster, idolmaster_cinderella_girls, jewelry, knees_up, layered_bikini, long_hair, looking_at_viewer, lying, medium_breasts, midriff, multicolored_bikini, multicolored_clothes, necklace, o-ring, o-ring_bikini, ocean, ohtsuki_yui, on_back, open_fly, open_mouth, outdoors, pink_nails, ponytail, short_shorts, shorts, sky, smile, solo, strap_gap, swimsuit, teeth, upside-down, wavy_hair