1girl, arimon_(dfrgty12), bare_shoulders, bikini, blush, breasts, brown_eyes, brown_hair, cleavage, collarbone, feet, from_above, hair_ornament, hair_scrunchie, hairclip, ichikawa_hinana, idolmaster, idolmaster_shiny_colors, legs, long_hair, looking_at_viewer, looking_up, low_twintails, open_mouth, parted_bangs, sand, sandals, scrunchie, sitting, solo, sweat, swimsuit, twintails, wariza, white_bikini