Hossho-bo was the teacher of Michizane since Michizane was young and they were in a close relation as a teacher and a student and, therefore, the two sincerely converse.
法性坊は道真の幼いころからの師であり、親密な師弟関係をむすんでいたため、ふたりは心をこめた会話をかわす。