Rule 34 Dev - 1boy 1girl 2others anger_vein artist_name black_footwear black_legwear black_pants blouse blue_skirt book bow bowtie brown_hair brown_sweater_vest cable chair classroom collared_shirt concentrating curtains desk electrical_outlet electronics_engineering facing_viewer hair_ornament hairclip holding holding_book indoors long_hair long_sleeves looking_at_another looking_down multiple_others open_book open_window original outline pants pink_background plaid_clothes plaid_skirt pleated_skirt red_bow red_bowtie sandals school_desk school_uniform shaded_face shapoco shirt shoes short_hair short_sleeves silhouette sitting skirt smoke socks soldering soldering_iron standing sweatdrop sweater_vest teacher teacher_and_student textbook translation_request uwabaki v-shaped_eyebrows vest white_outline white_shirt window|16169786334