Rule 34 Dev - 10s 3boys akgi bad_id bad_pixiv_id coat gradient_background grey_background greyscale hakutaku_(hoozuki_no_reitetsu) hoozuki_(hoozuki_no_reitetsu) hoozuki_no_reitetsu horns japanese_clothes long_sleeves looking_at_viewer male_focus monochrome multiple_boys oni_horns pointy_ears single_horn white_coat|9500768550