Rule 34 Dev - 10s 1girl blush bow breasts brown_eyes brown_hair collarbone ebina_nana female_focus grey_background highres himouto!_umaru-chan hoshimiya_aki large_breasts long_hair long_sleeves looking_at_viewer open_mouth red_bow red_eyes school_uniform shirt simple_background solo taut_clothes taut_shirt twintails wavy_mouth white_shirt|6328020699