In those days, there existed a creed called the 'Sanzu Jofu Ronso' (the controversy over the practice of religious services to attain nirvana, also known as Kaiku Ronso) within Honmon Hokke Sect between Kaisei school and Kuon school, and the contention got heated as the religious association of lay believers storing its power were involved.
その頃、本門法華宗内で「三途成不論争（皆久論争）」と呼ばれる皆成派と久遠派の教義上の論争があったが、勢力を蓄えていた講（在家信者）集団を巻き込み激化した。