1girl, arm_up, arm_warmers, armpit_hair, armpits, bare_shoulders, black_collar, blush, breasts, collar, detached_collar, indoors, iwanaga_kotoko, jinsai_sa_sa, kyokou_suiri, light_brown_hair, looking_at_viewer, medium_hair, mirror, pout, purple_eyes, red_ribbon, ribbon, small_breasts, solo, upper_body