1girl, bare_shoulders, bikini, bikini_skirt, black_nails, black_ribbon, breasts, brown_eyes, brown_hair, earrings, frilled_bikini, frills, holding, ichikawa_hinana, idolmaster, idolmaster_shiny_colors, jewelry, long_hair, looking_at_viewer, looking_down, miyasaka_so, nail_polish, navel, red_bikini, ribbon, solo, stomach, swimsuit