Rule 34 Dev - 1boy 1girl black_hair black_shorts black_sweater black_top closed_mouth green_background greyscale_with_colored_background hand_up hug long_hair long_sleeves looking_at_viewer nanakusa_nazuna_(yofukashi_no_uta) pink_hair serious shirt shorts sweater vampire very_long_hair white_shirt yamori_kou yofukashi_no_uta|21672409356