1girl, d, arm_support, bikini, black_bikini, black_nails, blonde_hair, breasts, collarbone, fangs, hair_over_one_eye, halulu, idolmaster, idolmaster_cinderella_girls, long_hair, looking_at_viewer, nail_polish, open_mouth, red_eyes, shirasaka_koume, simple_background, small_breasts, smile, solo, swimsuit, white_background