Rule 34 Dev - apron black_and_white blank_background blush blush blushing_at_viewer bowtie breast_expansion breasts buttons clothed clothed_female clothing dress eyebrows eyebrows_visible_through_hair female female_focus female_only hands_behind_back hat ichigou_kotou long_hair looking_at_viewer multiple_females multiple_girls nishida_satono open_mouth open_mouth smile smiling smiling_at_viewer standing teireida_mai touhou|5641276080