Rule 34 Dev - 10s 1girl animal_ears animal_print bad_id bad_twitter_id bell breasts brown_eyes brown_hair collar cow_ears cow_horns cow_print cowbell female_focus headset horns idolmaster idolmaster_cinderella_girls large_breasts maguro_(ma-glo) neck_bell oikawa_shizuku open_mouth short_hair solo upper_body|7123392315