Rule 34 Dev - 2boys black_hair blush dragon_horns fafnir_(maidragon) formal_clothes glasses greyscale hair_over_one_eye horns kobayashi-san_chi_no_maidragon long_hair male_focus monochrome multiple_boys necktie pince-nez short_hair smile suit takiya_makoto tentacles tentacles_on_male translation_request yaoi you_gonna_get_raped|9181305666