1girl, o, blush, breasts, brown_hair, collared_shirt, cropped_shirt, denim, dutch_angle, idolmaster, idolmaster_cinderella_girls, jeans, large_breasts, looking_at_viewer, navel, oikawa_shizuku, pants, red_shirt, sakaki_imasato, shirt, short_hair, simple_background, solo, upper_body