1girl, black_nails, breast_press, breasts, brown_eyes, brown_hair, casual_one-piece_swimsuit, cleavage, collarbone, earrings, full_moon, head_wreath, holding, holding_moon, idolmaster, idolmaster_shiny_colors, jewelry, kasasabi_(fixakaraka), large_breasts, long_hair, moon, night, one-piece_swimsuit, shallow_water, solo, swimsuit, tsukioka_kogane, upper_body, water