Rule 34 Dev - 1boy 1girl black_serafuku comic facial_hair flying_sweatdrops greyscale monochrome mustache necktie otoi_rekomaru plaid_clothes plaid_scarf scarf school_uniform serafuku short_hair susumu-sensei train train_interior translated wakabayashi-kun_ga_nekasete_kurenai wakabayashi_ikuno|7363047276