1girl, ass, bare_arms, bare_shoulders, bikini, dutch_angle, floating_hair, full_moon, glowing, glowing_eyes, grey_hair, idolmaster, idolmaster_shiny_colors, kasasabi_(fixakaraka), long_hair, looking_at_viewer, looking_back, looking_down, moon, night, outdoors, red_eyes, shallow_water, solo, swimsuit, wading, water, white_bikini, yukoku_kiriko