According to the preface of the poem ("Honcho Zoku Monzui" (Literary Essence of Our Court, Continued)) by SUGAWARA no Sadanori (he was famous for being the 'older brother' in "Sarashina Nikki" (The Sarashina Diary)), who had participated in the Kangakue restarted at Zuigan-ji Temple, the Kangakue was being held by the call of Keimyo, the Tendai-zasu (head priest of the Tendai sect) at that time.
この時随願寺にて再興された勧学会に参加した菅原定義（『更級日記』に登場する「兄」として著名）の詩序（『本朝続文粋』）によれば、天台座主慶命の呼びかけであったという。