Rule 34 Dev - 1boy 1girl back-to-back backpack bag black_hair blazer blue_eyes blue_jacket blush boku_no_kokoro_no_yabai_yatsu brown_eyes cardigan closed_mouth gakuran highres ichikawa_kyoutarou jacket long_hair parted_lips purple_cardigan school_uniform shirt short_hair smile upper_body varayuut white_shirt yamada_anna|21970949364