Rule 34 Dev - 1girl adjusting_eyewear alternate_headwear aono_(anotherk) bespectacled blue_eyes blush bow chalkboard cirno female_focus glasses green_eyes green_hair hair_bow hat highres kamishirasawa_keine looking_back matching_hair/eyes open_mouth ragyuo shiki_eiki shirt short_hair skirt solo sparkle stick substitute teacher touhou wings|2628035046