Rule 34 Dev - 1girl blue_bow blush bow breast_rest breasts brown_eyes brown_hair cellphone collared_shirt grey_background hair_bow head_rest highres holding holding_phone idolmaster idolmaster_shiny_colors ikarin large_breasts long_hair looking_at_viewer phone ponytail shirt simple_background sleeveless sleeveless_shirt smartphone solo tsukioka_kogane upper_body|21660920892