1girl, apple_(ygbhjdbiulsg), bad_pixiv_id, bikini, blush, breasts, brown_hair, cleavage, collarbone, green_eyes, halterneck, hino_akane_(idolmaster), idolmaster, idolmaster_cinderella_girls, large_breasts, looking_at_viewer, mismatched_bikini, navel, ponytail, sidelocks, simple_background, solo, sweatdrop, swimsuit, wavy_mouth, white_background