The Shingi Shingon sect is a school of the Shingon sect (whose founding father was Kobo-daishi Kukai), and this school is connected to Raiyu, a high-ranking Buddhist priest of the Kakuban school, which followed the teachings of Kogyo Daishi Kakuban, who brought about the revival of the Shingon sect.
新義真言宗（しんぎしんごんしゅう）は弘法大師空海を始祖とする真言宗の宗派の一つで、真言宗中興の祖興教大師覚鑁（かくばん）の教学を元に覚鑁派の僧正頼瑜に連なる。