1girl, a10_(avxv8374), arm_garter, bare_legs, barefoot, beach, beach_umbrella, bikini, blush, breasts, hair_ornament, hair_scrunchie, ichikawa_hinana, idolmaster, idolmaster_shiny_colors, large_breasts, light_brown_hair, looking_at_viewer, lotion, mat, navel, outdoors, parted_bangs, scrunchie, side-tie_bikini_bottom, sitting, smile, solo, sunscreen, swimsuit, twintails, umbrella, underboob, wariza, white_bikini