1girl, 3mptydays, o, barefoot, beach, black_bra, blindfold, blindfold_lift, bra, bracelet, full_body, grey_hair, holding, holding_stick, horizon, idolmaster, idolmaster_shiny_colors, jewelry, looking_down, no_shoes, outdoors, ring, sand, see-through, see-through_shirt, serizawa_asahi, shirt, shorts, solo, stick, tied_shirt, underwear, white_blindfold