1girl, arm_up, bikini, blurry, blurry_background, breasts, cleavage, collarbone, day, grey_hair, groin, hair_intakes, idolmaster, idolmaster_(classic), idolmaster_million_live!, koya_(koya_x_00), large_breasts, long_hair, looking_at_viewer, multi-strapped_bikini, navel, outdoors, palm_tree, pool, profile, purple_bikini, shijou_takane, signature, solo, sunlight, swimsuit, tree, very_long_hair