Rule 34 Dev - 1girl asagi666c backlighting blush hair_flaps hair_ornament hand_on_own_cheek hand_on_own_face head_rest highres idolmaster idolmaster_cinderella_girls koshimizu_sachiko looking_at_viewer parted_lips purple_hair purple_sweater sailor_collar short_hair smile solo sweater upper_body window x_hair_ornament yellow_eyes|25197624972