1girl, bikini, bikini_top_only, blue_bikini, blush, bottomless, breasts, brown_hair, cleavage, eyebrows_hidden_by_hair, green_eyes, idolmaster, idolmaster_cinderella_girls, long_hair, looking_at_viewer, medium_breasts, navel, shibuya_rin, simple_background, smile, solo, swimsuit, upper_body, white_background, z.nov